9w-7=12w-13

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


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

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

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

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

Solving for variable 'w'.

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

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

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

Combine like terms: 12w + -12w = 0
-7 + -3w = -13 + 0
-7 + -3w = -13

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

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

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

Divide each side by '-3'.
w = 2

Simplifying
w = 2

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