2w+7(w-8)=-20

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Solution for 2w+7(w-8)=-20 equation:


Simplifying
2w + 7(w + -8) = -20

Reorder the terms:
2w + 7(-8 + w) = -20
2w + (-8 * 7 + w * 7) = -20
2w + (-56 + 7w) = -20

Reorder the terms:
-56 + 2w + 7w = -20

Combine like terms: 2w + 7w = 9w
-56 + 9w = -20

Solving
-56 + 9w = -20

Solving for variable 'w'.

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

Add '56' to each side of the equation.
-56 + 56 + 9w = -20 + 56

Combine like terms: -56 + 56 = 0
0 + 9w = -20 + 56
9w = -20 + 56

Combine like terms: -20 + 56 = 36
9w = 36

Divide each side by '9'.
w = 4

Simplifying
w = 4

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