12=W-(-7)

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Solution for 12=W-(-7) equation:


Simplifying
12 = W + -1(-7)

Multiply -1 * -7
12 = W + 7

Reorder the terms:
12 = 7 + W

Solving
12 = 7 + W

Solving for variable 'W'.

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

Add '-1W' to each side of the equation.
12 + -1W = 7 + W + -1W

Combine like terms: W + -1W = 0
12 + -1W = 7 + 0
12 + -1W = 7

Add '-12' to each side of the equation.
12 + -12 + -1W = 7 + -12

Combine like terms: 12 + -12 = 0
0 + -1W = 7 + -12
-1W = 7 + -12

Combine like terms: 7 + -12 = -5
-1W = -5

Divide each side by '-1'.
W = 5

Simplifying
W = 5

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