3w-28=4w-40

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Solution for 3w-28=4w-40 equation:


Simplifying
3w + -28 = 4w + -40

Reorder the terms:
-28 + 3w = 4w + -40

Reorder the terms:
-28 + 3w = -40 + 4w

Solving
-28 + 3w = -40 + 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.
-28 + 3w + -4w = -40 + 4w + -4w

Combine like terms: 3w + -4w = -1w
-28 + -1w = -40 + 4w + -4w

Combine like terms: 4w + -4w = 0
-28 + -1w = -40 + 0
-28 + -1w = -40

Add '28' to each side of the equation.
-28 + 28 + -1w = -40 + 28

Combine like terms: -28 + 28 = 0
0 + -1w = -40 + 28
-1w = -40 + 28

Combine like terms: -40 + 28 = -12
-1w = -12

Divide each side by '-1'.
w = 12

Simplifying
w = 12

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