Verbal Expressions
2 increased by 3
5
(a+b) + c = a + (b+c)
Associative property of addition
26 = 8 + b
18
3x + 5 = -16
x = -7
3 (x + 1) = 5 + x
x = 1
12 divided by 3
4
a + 0 = a
identity property of addition
10 = 10 + b
2x + 5 = 21
x = 8
7x + 3 = 2x + 13
x = 2
2 times 2
4
a x 1 = a
identity property of multiplication
12 = -14 + b
26
3x - 4 = 11
x = 5
8x + -2 = -9 + 7x
x = -7
15 subtracted by 4
11
a x 1/a = a
multiplicative inverse of a number
5 = -5 + b
10
2x - 12 = 5
x = 8.5
2 (x - 5) = 5x + 23
x = -11
the quotient of 2 and 10
5
a + -a = 0
additive inverse of a number
37 = -3 + b
40
2y - 4 = 7
y = -1.5
2x - 5 ( x + 1 ) = 3x + 1
x = -1