2w+9=5w-12

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Solution for 2w+9=5w-12 equation:


Simplifying
2w + 9 = 5w + -12

Reorder the terms:
9 + 2w = 5w + -12

Reorder the terms:
9 + 2w = -12 + 5w

Solving
9 + 2w = -12 + 5w

Solving for variable 'w'.

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

Add '-5w' to each side of the equation.
9 + 2w + -5w = -12 + 5w + -5w

Combine like terms: 2w + -5w = -3w
9 + -3w = -12 + 5w + -5w

Combine like terms: 5w + -5w = 0
9 + -3w = -12 + 0
9 + -3w = -12

Add '-9' to each side of the equation.
9 + -9 + -3w = -12 + -9

Combine like terms: 9 + -9 = 0
0 + -3w = -12 + -9
-3w = -12 + -9

Combine like terms: -12 + -9 = -21
-3w = -21

Divide each side by '-3'.
w = 7

Simplifying
w = 7

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