7-5(4w+12)+12w+20=71

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Solution for 7-5(4w+12)+12w+20=71 equation:


Simplifying
7 + -5(4w + 12) + 12w + 20 = 71

Reorder the terms:
7 + -5(12 + 4w) + 12w + 20 = 71
7 + (12 * -5 + 4w * -5) + 12w + 20 = 71
7 + (-60 + -20w) + 12w + 20 = 71

Reorder the terms:
7 + -60 + 20 + -20w + 12w = 71

Combine like terms: 7 + -60 = -53
-53 + 20 + -20w + 12w = 71

Combine like terms: -53 + 20 = -33
-33 + -20w + 12w = 71

Combine like terms: -20w + 12w = -8w
-33 + -8w = 71

Solving
-33 + -8w = 71

Solving for variable 'w'.

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

Add '33' to each side of the equation.
-33 + 33 + -8w = 71 + 33

Combine like terms: -33 + 33 = 0
0 + -8w = 71 + 33
-8w = 71 + 33

Combine like terms: 71 + 33 = 104
-8w = 104

Divide each side by '-8'.
w = -13

Simplifying
w = -13

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