-12=7(w-3)+2w

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Solution for -12=7(w-3)+2w equation:


Simplifying
-12 = 7(w + -3) + 2w

Reorder the terms:
-12 = 7(-3 + w) + 2w
-12 = (-3 * 7 + w * 7) + 2w
-12 = (-21 + 7w) + 2w

Combine like terms: 7w + 2w = 9w
-12 = -21 + 9w

Solving
-12 = -21 + 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.
-12 + -9w = -21 + 9w + -9w

Combine like terms: 9w + -9w = 0
-12 + -9w = -21 + 0
-12 + -9w = -21

Add '12' to each side of the equation.
-12 + 12 + -9w = -21 + 12

Combine like terms: -12 + 12 = 0
0 + -9w = -21 + 12
-9w = -21 + 12

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

Divide each side by '-9'.
w = 1

Simplifying
w = 1

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