20=2(w+5)-7w

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Solution for 20=2(w+5)-7w equation:


Simplifying
20 = 2(w + 5) + -7w

Reorder the terms:
20 = 2(5 + w) + -7w
20 = (5 * 2 + w * 2) + -7w
20 = (10 + 2w) + -7w

Combine like terms: 2w + -7w = -5w
20 = 10 + -5w

Solving
20 = 10 + -5w

Solving for variable 'w'.

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

Add '5w' to each side of the equation.
20 + 5w = 10 + -5w + 5w

Combine like terms: -5w + 5w = 0
20 + 5w = 10 + 0
20 + 5w = 10

Add '-20' to each side of the equation.
20 + -20 + 5w = 10 + -20

Combine like terms: 20 + -20 = 0
0 + 5w = 10 + -20
5w = 10 + -20

Combine like terms: 10 + -20 = -10
5w = -10

Divide each side by '5'.
w = -2

Simplifying
w = -2

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