finding the value for the variable that makes the sentence true
Back
10a
Front
simplify 2(5a)
Back
a + b + 7
Front
simplify a + 3 + b + 4
Back
360
Front
simplify: 275 + 52 + 25 + 8
Back
True
Front
true or false: ab - ac = a(b-c)
Back
-z + 5
Front
simplify -7 + (-z) + 12
Back
equivalent equations
Front
equations that have the same solution
Back
open sentence
Front
a mathematical statement containing one or more variables
Back
equation
Front
A mathematical sentence that contains an equals sign.
Back
16
Front
simplify x - (-8) - [x + (-8)]
Back
5n - 8
Front
simplify 13 + 5n + (-21)
Back
True
Front
true or false: a(b + c) = ab + ac
Back
17
Front
simplify 22 + [6 + (-11)}
Back
addition property of equality
Front
If you add the same number to each side of an equation, the two sides remain equal.
If a = b, then a + c = b + c
Back
7/5
Front
State the reciprocal of 5/7
Back
10,000bcde
Front
simplify (25b)(25c)(4d)(4e)
Back
no solution
Front
equation that is never true no matter what value is used for the variable
Back
p+q+21
Front
simplify 16 + p + q +5
Back
7y+5
Front
Write the equation for: Five more than the product of 7 and y.
Back
-49w
Front
simplify 343w/-7
Back
-21
Front
simplify -5 + (-7) + (-9)
Back
-78
Front
simplify -13 / 1/6
Back
-1
Front
State the reciprocal of -1
Back
number theory
Front
study of numbers and the relationships between them
Back
True
Front
true or false: (b + c)a = ba + ca
Back
solution
Front
answer to the equation
Back
3rd floor
Front
Paul got into an elevator on the fourth floor. Before he got out, the elevator went up seven floors and then down eight floors. On what floor did he get out?
Back
consecutive even integers
Front
Ex. 2,4,and 6 or n, n+2, and n+4
Back
11
Front
simplify (-4 + 8) + 7
Back
ratio
Front
comparison of two numbers by division
Back
x-5
Front
simplify 3 + x + (-8)
Back
False
Front
true or false: a + (bc) = (a + b) (a + c)
Back
consecutive odd integers
Front
Ex. 1,3, and 5 or n, n+2, and n+4
Back
8m - 7n
Front
simplify -1/7(-56m + 49n)
Back
multiplication property of equality
Front
You can multiply the same number on each side of an equation. If a = b, then a•c = b•c
Back
-11
Front
simplify (25-31) - (-6 + 11)
Back
False
Front
true or false: (b - c)a = ba - c
Back
-x = 8 - 4
Front
Write the equation for: the opposite of x is four less than eight.
Back
consecutive integers
Front
integers in counting order, Ex. 4,5, and 6 or n, n+1, and n+2
Back
9x+2y
Front
simplify 7x - y + 2x + 3y
Back
4
Front
simplify (23)(0.25) - (7)(0.25)
Back
division property of equality
Front
Dividing the same number to each side of the equation produce an equivalent equation.
if a = b and c is not equal to 0, then a/c = b/c
Back
subtraction property of equality
Front
If you subtract the same number from each side of an equation, the two sides remain equal.
If a = b, then a - c = b - c
Back
replacement set
Front
a set of numbers from which replacements for a variable may be chosen
Back
percent
Front
ratio that compares a number to 100
Back
48
Front
simplify -16(-3)
Back
6.43
Front
simplify 0.77 + 0.33 + 1.22 + 4.11
Back
90
Front
simplify: (-1)(3)(-5)(6)
Back
8
Front
simplify 0.1 + 1.8 + 5.9 + 0.2
Back
Section 2
(5 cards)
x + (x + 1) + (x + 2) = 28
Front
write an equation for the sum of three consecutive integers is 28
Back
x(x + 1) = 6
Front
write an equation for the product of two consecutive integers is six.
Back
x + (x + 2) = 2x + 2
Front
write an equation for the sum of two consecutive even integers is 2 more than twice the smaller integer.
Back
-x
Front
simplify: 2(x - 3y) - 3(x - 2y)
Back
x + (x + 1) = 15
Front
write an equation for the sum of two consecutive integers is 15.