-20=7+w

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Solution for -20=7+w equation:


Simplifying
-20 = 7 + w

Solving
-20 = 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.
-20 + -1w = 7 + w + -1w

Combine like terms: w + -1w = 0
-20 + -1w = 7 + 0
-20 + -1w = 7

Add '20' to each side of the equation.
-20 + 20 + -1w = 7 + 20

Combine like terms: -20 + 20 = 0
0 + -1w = 7 + 20
-1w = 7 + 20

Combine like terms: 7 + 20 = 27
-1w = 27

Divide each side by '-1'.
w = -27

Simplifying
w = -27

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