15=7w-4w

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Solution for 15=7w-4w equation:


Simplifying
15 = 7w + -4w

Combine like terms: 7w + -4w = 3w
15 = 3w

Solving
15 = 3w

Solving for variable 'w'.

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

Add '-3w' to each side of the equation.
15 + -3w = 3w + -3w

Combine like terms: 3w + -3w = 0
15 + -3w = 0

Add '-15' to each side of the equation.
15 + -15 + -3w = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3w = 0 + -15
-3w = 0 + -15

Combine like terms: 0 + -15 = -15
-3w = -15

Divide each side by '-3'.
w = 5

Simplifying
w = 5

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