3w-21-2=15w-25-4w

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Solution for 3w-21-2=15w-25-4w equation:


Simplifying
3w + -21 + -2 = 15w + -25 + -4w

Reorder the terms:
-21 + -2 + 3w = 15w + -25 + -4w

Combine like terms: -21 + -2 = -23
-23 + 3w = 15w + -25 + -4w

Reorder the terms:
-23 + 3w = -25 + 15w + -4w

Combine like terms: 15w + -4w = 11w
-23 + 3w = -25 + 11w

Solving
-23 + 3w = -25 + 11w

Solving for variable 'w'.

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

Add '-11w' to each side of the equation.
-23 + 3w + -11w = -25 + 11w + -11w

Combine like terms: 3w + -11w = -8w
-23 + -8w = -25 + 11w + -11w

Combine like terms: 11w + -11w = 0
-23 + -8w = -25 + 0
-23 + -8w = -25

Add '23' to each side of the equation.
-23 + 23 + -8w = -25 + 23

Combine like terms: -23 + 23 = 0
0 + -8w = -25 + 23
-8w = -25 + 23

Combine like terms: -25 + 23 = -2
-8w = -2

Divide each side by '-8'.
w = 0.25

Simplifying
w = 0.25

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