9q+12-2q=40

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Solution for 9q+12-2q=40 equation:


Simplifying
9q + 12 + -2q = 40

Reorder the terms:
12 + 9q + -2q = 40

Combine like terms: 9q + -2q = 7q
12 + 7q = 40

Solving
12 + 7q = 40

Solving for variable 'q'.

Move all terms containing q to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + 7q = 40 + -12

Combine like terms: 12 + -12 = 0
0 + 7q = 40 + -12
7q = 40 + -12

Combine like terms: 40 + -12 = 28
7q = 28

Divide each side by '7'.
q = 4

Simplifying
q = 4

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