W-(-3)=7

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Solution for W-(-3)=7 equation: 


Simplifying
W + -1(-3) = 7

Multiply -1 * -3
W + 3 = 7

Reorder the terms:
3 + W = 7

Solving
3 + W = 7

Solving for variable 'W'.

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

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

Combine like terms: 3 + -3 = 0
0 + W = 7 + -3
W = 7 + -3

Combine like terms: 7 + -3 = 4
W = 4

Simplifying
W = 4

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