7=w-(-7)

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Solution for 7=w-(-7) equation:


Simplifying
7 = w + -1(-7)

Multiply -1 * -7
7 = w + 7

Reorder the terms:
7 = 7 + w

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

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

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

Solving
0 = 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.
0 + -1w = w + -1w
Remove the zero:
-1w = w + -1w

Combine like terms: w + -1w = 0
-1w = 0

Divide each side by '-1'.
w = 0

Simplifying
w = 0

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