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21 questions
3c = 12
36
4
15
9
9 + x = 18
10
8
9
2
x - 8 = 10
2
9
10
18
If Erica tripled her height, she will be as tall as if she added 147.5 inches to half her height. How tall is Erica?
24.5 inches
42 inches
59 inches
62 inches
What are the two basic rules for solving algebraic equations? (Choose the two that apply)
Whatever you do to one side of the equation, you do on the other side of the equal sign
Negative signs can be ignored
Always start on the left side, regardless of where the variable is
Always do the opposite (inverse) operation
____ is the solution to the equation
4
16
20
1