-7+2w=-21

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Solution for -7+2w=-21 equation: 


Simplifying
-7 + 2w = -21

Solving
-7 + 2w = -21

Solving for variable 'w'.

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

Add '7' to each side of the equation.
-7 + 7 + 2w = -21 + 7

Combine like terms: -7 + 7 = 0
0 + 2w = -21 + 7
2w = -21 + 7

Combine like terms: -21 + 7 = -14
2w = -14

Divide each side by '2'.
w = -7

Simplifying
w = -7

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