-20=3(w+5)+4w

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Solution for -20=3(w+5)+4w equation:


Simplifying
-20 = 3(w + 5) + 4w

Reorder the terms:
-20 = 3(5 + w) + 4w
-20 = (5 * 3 + w * 3) + 4w
-20 = (15 + 3w) + 4w

Combine like terms: 3w + 4w = 7w
-20 = 15 + 7w

Solving
-20 = 15 + 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.
-20 + -7w = 15 + 7w + -7w

Combine like terms: 7w + -7w = 0
-20 + -7w = 15 + 0
-20 + -7w = 15

Add '20' to each side of the equation.
-20 + 20 + -7w = 15 + 20

Combine like terms: -20 + 20 = 0
0 + -7w = 15 + 20
-7w = 15 + 20

Combine like terms: 15 + 20 = 35
-7w = 35

Divide each side by '-7'.
w = -5

Simplifying
w = -5

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