-4w+7(w-7)=-28

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Solution for -4w+7(w-7)=-28 equation:


Simplifying
-4w + 7(w + -7) = -28

Reorder the terms:
-4w + 7(-7 + w) = -28
-4w + (-7 * 7 + w * 7) = -28
-4w + (-49 + 7w) = -28

Reorder the terms:
-49 + -4w + 7w = -28

Combine like terms: -4w + 7w = 3w
-49 + 3w = -28

Solving
-49 + 3w = -28

Solving for variable 'w'.

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

Add '49' to each side of the equation.
-49 + 49 + 3w = -28 + 49

Combine like terms: -49 + 49 = 0
0 + 3w = -28 + 49
3w = -28 + 49

Combine like terms: -28 + 49 = 21
3w = 21

Divide each side by '3'.
w = 7

Simplifying
w = 7

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