Variable Replacements
5y + 2 ; y = 3
17
1 - 2y + 5 + 3y
y + 6
3(n + 4)
3n + 12
A number divided by 4
n/4
Rewrite equivalent expression.
(-11 + 3) + 17 ; associative property
2 + (x - 3) ; x = -6
-7
-4a + 10 - 7
-4a + 3
5(2x - 9)
10x - 45
The product of a number and negative nine
-9n
Rewrite an equivalent expression.
8 x 9 ; commutative property
9 x 8
8 + 12/a ; a = 4
11
11 + 5w - 8w - 6
-3w + 5
-2(3x + 7)
-6x - 14
20 subtracted from a number
n - 20
Identify which property justifies the statement.
8 x 0 = 0
Zero property of multiplication
50 - 4x ; x = 6
26
6(r + 4) - 2r
4r + 24
17n + 17
17(n + 1)
two thirds of a number
2/3n
Identify which property justifies the statement.
⅙ x 6 = 1
Inverse property of multiplication
3x - 10 ; x = -2
-16
2(-8a + b) + 3(-a + 4b)
-19a + 14b
48x - 18
6(8x - 3)
the sum of two times a number and 6
2n + 6
Identify which property justifies the statement.
-7 x 1 = -7
Identity property of multiplication