-7w+3(w+4)=20

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Solution for -7w+3(w+4)=20 equation:


Simplifying
-7w + 3(w + 4) = 20

Reorder the terms:
-7w + 3(4 + w) = 20
-7w + (4 * 3 + w * 3) = 20
-7w + (12 + 3w) = 20

Reorder the terms:
12 + -7w + 3w = 20

Combine like terms: -7w + 3w = -4w
12 + -4w = 20

Solving
12 + -4w = 20

Solving for variable 'w'.

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

Add '-12' to each side of the equation.
12 + -12 + -4w = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -4w = 20 + -12
-4w = 20 + -12

Combine like terms: 20 + -12 = 8
-4w = 8

Divide each side by '-4'.
w = -2

Simplifying
w = -2

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