3w-4+w+8=7w-5

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Solution for 3w-4+w+8=7w-5 equation:


Simplifying
3w + -4 + w + 8 = 7w + -5

Reorder the terms:
-4 + 8 + 3w + w = 7w + -5

Combine like terms: -4 + 8 = 4
4 + 3w + w = 7w + -5

Combine like terms: 3w + w = 4w
4 + 4w = 7w + -5

Reorder the terms:
4 + 4w = -5 + 7w

Solving
4 + 4w = -5 + 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.
4 + 4w + -7w = -5 + 7w + -7w

Combine like terms: 4w + -7w = -3w
4 + -3w = -5 + 7w + -7w

Combine like terms: 7w + -7w = 0
4 + -3w = -5 + 0
4 + -3w = -5

Add '-4' to each side of the equation.
4 + -4 + -3w = -5 + -4

Combine like terms: 4 + -4 = 0
0 + -3w = -5 + -4
-3w = -5 + -4

Combine like terms: -5 + -4 = -9
-3w = -9

Divide each side by '-3'.
w = 3

Simplifying
w = 3

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