13=7w-8

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Solution for 13=7w-8 equation:


Simplifying
13 = 7w + -8

Reorder the terms:
13 = -8 + 7w

Solving
13 = -8 + 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
13 + -7w = -8 + 7w + -7w

Combine like terms: 7w + -7w = 0
13 + -7w = -8 + 0
13 + -7w = -8

Add '-13' to each side of the equation.
13 + -13 + -7w = -8 + -13

Combine like terms: 13 + -13 = 0
0 + -7w = -8 + -13
-7w = -8 + -13

Combine like terms: -8 + -13 = -21
-7w = -21

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

Simplifying
w = 3

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