-7=8+w+w

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Solution for -7=8+w+w equation:


Simplifying
-7 = 8 + w + w

Combine like terms: w + w = 2w
-7 = 8 + 2w

Solving
-7 = 8 + 2w

Solving for variable 'w'.

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

Add '-2w' to each side of the equation.
-7 + -2w = 8 + 2w + -2w

Combine like terms: 2w + -2w = 0
-7 + -2w = 8 + 0
-7 + -2w = 8

Add '7' to each side of the equation.
-7 + 7 + -2w = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -2w = 8 + 7
-2w = 8 + 7

Combine like terms: 8 + 7 = 15
-2w = 15

Divide each side by '-2'.
w = -7.5

Simplifying
w = -7.5

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