3w-49=7w-129

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Solution for 3w-49=7w-129 equation:


Simplifying
3w + -49 = 7w + -129

Reorder the terms:
-49 + 3w = 7w + -129

Reorder the terms:
-49 + 3w = -129 + 7w

Solving
-49 + 3w = -129 + 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
-49 + 3w + -7w = -129 + 7w + -7w

Combine like terms: 3w + -7w = -4w
-49 + -4w = -129 + 7w + -7w

Combine like terms: 7w + -7w = 0
-49 + -4w = -129 + 0
-49 + -4w = -129

Add '49' to each side of the equation.
-49 + 49 + -4w = -129 + 49

Combine like terms: -49 + 49 = 0
0 + -4w = -129 + 49
-4w = -129 + 49

Combine like terms: -129 + 49 = -80
-4w = -80

Divide each side by '-4'.
w = 20

Simplifying
w = 20

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