3(w-7)-7w=-25

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Solution for 3(w-7)-7w=-25 equation: 


Simplifying
3(w + -7) + -7w = -25

Reorder the terms:
3(-7 + w) + -7w = -25
(-7 * 3 + w * 3) + -7w = -25
(-21 + 3w) + -7w = -25

Combine like terms: 3w + -7w = -4w
-21 + -4w = -25

Solving
-21 + -4w = -25

Solving for variable 'w'.

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

Add '21' to each side of the equation.
-21 + 21 + -4w = -25 + 21

Combine like terms: -21 + 21 = 0
0 + -4w = -25 + 21
-4w = -25 + 21

Combine like terms: -25 + 21 = -4
-4w = -4

Divide each side by '-4'.
w = 1

Simplifying
w = 1

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