-19=3(w+7)-7w

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Solution for -19=3(w+7)-7w equation:


Simplifying
-19 = 3(w + 7) + -7w

Reorder the terms:
-19 = 3(7 + w) + -7w
-19 = (7 * 3 + w * 3) + -7w
-19 = (21 + 3w) + -7w

Combine like terms: 3w + -7w = -4w
-19 = 21 + -4w

Solving
-19 = 21 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
-19 + 4w = 21 + -4w + 4w

Combine like terms: -4w + 4w = 0
-19 + 4w = 21 + 0
-19 + 4w = 21

Add '19' to each side of the equation.
-19 + 19 + 4w = 21 + 19

Combine like terms: -19 + 19 = 0
0 + 4w = 21 + 19
4w = 21 + 19

Combine like terms: 21 + 19 = 40
4w = 40

Divide each side by '4'.
w = 10

Simplifying
w = 10

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