3(w-3)-7w=7

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


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

Reorder the terms:
3(-3 + w) + -7w = 7
(-3 * 3 + w * 3) + -7w = 7
(-9 + 3w) + -7w = 7

Combine like terms: 3w + -7w = -4w
-9 + -4w = 7

Solving
-9 + -4w = 7

Solving for variable 'w'.

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

Add '9' to each side of the equation.
-9 + 9 + -4w = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -4w = 7 + 9
-4w = 7 + 9

Combine like terms: 7 + 9 = 16
-4w = 16

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

Simplifying
w = -4

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