12w-13=9w-7

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Solution for 12w-13=9w-7 equation:


Simplifying
12w + -13 = 9w + -7

Reorder the terms:
-13 + 12w = 9w + -7

Reorder the terms:
-13 + 12w = -7 + 9w

Solving
-13 + 12w = -7 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
-13 + 12w + -9w = -7 + 9w + -9w

Combine like terms: 12w + -9w = 3w
-13 + 3w = -7 + 9w + -9w

Combine like terms: 9w + -9w = 0
-13 + 3w = -7 + 0
-13 + 3w = -7

Add '13' to each side of the equation.
-13 + 13 + 3w = -7 + 13

Combine like terms: -13 + 13 = 0
0 + 3w = -7 + 13
3w = -7 + 13

Combine like terms: -7 + 13 = 6
3w = 6

Divide each side by '3'.
w = 2

Simplifying
w = 2

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