7(w-13)=-21

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Solution for 7(w-13)=-21 equation:


Simplifying
7(w + -13) = -21

Reorder the terms:
7(-13 + w) = -21
(-13 * 7 + w * 7) = -21
(-91 + 7w) = -21

Solving
-91 + 7w = -21

Solving for variable 'w'.

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

Add '91' to each side of the equation.
-91 + 91 + 7w = -21 + 91

Combine like terms: -91 + 91 = 0
0 + 7w = -21 + 91
7w = -21 + 91

Combine like terms: -21 + 91 = 70
7w = 70

Divide each side by '7'.
w = 10

Simplifying
w = 10

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