-7w-1=20

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Solution for -7w-1=20 equation: 


Simplifying
-7w + -1 = 20

Reorder the terms:
-1 + -7w = 20

Solving
-1 + -7w = 20

Solving for variable 'w'.

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

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

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

Combine like terms: 20 + 1 = 21
-7w = 21

Divide each side by '-7'.
w = -3

Simplifying
w = -3

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