-4w+4(-7+2w)=-12+9w

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Solution for -4w+4(-7+2w)=-12+9w equation:


Simplifying
-4w + 4(-7 + 2w) = -12 + 9w
-4w + (-7 * 4 + 2w * 4) = -12 + 9w
-4w + (-28 + 8w) = -12 + 9w

Reorder the terms:
-28 + -4w + 8w = -12 + 9w

Combine like terms: -4w + 8w = 4w
-28 + 4w = -12 + 9w

Solving
-28 + 4w = -12 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
-28 + 4w + -9w = -12 + 9w + -9w

Combine like terms: 4w + -9w = -5w
-28 + -5w = -12 + 9w + -9w

Combine like terms: 9w + -9w = 0
-28 + -5w = -12 + 0
-28 + -5w = -12

Add '28' to each side of the equation.
-28 + 28 + -5w = -12 + 28

Combine like terms: -28 + 28 = 0
0 + -5w = -12 + 28
-5w = -12 + 28

Combine like terms: -12 + 28 = 16
-5w = 16

Divide each side by '-5'.
w = -3.2

Simplifying
w = -3.2

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