Solving for x
5x = 25
x = 5
| x + 2 | = 6
x = 4, -8
x/2 = 6/12
x = 1
2(6 + 9)
30
The part of an equation that can be changed is a...
Variable
4x + 1 = 9
x = 2
| 2x + 4 | = 8
x = 2, -6
x/2 = 8/4
x = 4
5(x + 13)
5x + 65
Terms with the same variable are called...
Like Terms
2x - 3 = 13
x = 8
|7 - 2x| = 3
x = 2,5
3/8 = 15/x
x = 40
6 (2x + 8) + 2(4x + 2)
20x + 52
The Property that says a constant or variable is equal to itself is the...
Reflexive Property
10x + 14 = 74
x = 6
| 12x + 11 | = 83
x = 6, -7.8
2.4/3.6 = x/1.8
x = 1.2
5(6x - 2y) + 3(3x - 4y)
39x - 22y
The property that says that any number plus a negative of itself is the...
Additive Inverse
-5 - 2x = 9
x = -19
| -x/4 + 5 | - 2 = 6
x = -12, 52
5n-2/8 = n+8/3
n = 10
-8(4x + (-5y)) + 7(14x - 3)
66x + 40y - 21
The property that states that if a = b then a + c = b + c is the...
Additive Property of Equality