5w-21+8w=15

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Solution for 5w-21+8w=15 equation:


Simplifying
5w + -21 + 8w = 15

Reorder the terms:
-21 + 5w + 8w = 15

Combine like terms: 5w + 8w = 13w
-21 + 13w = 15

Solving
-21 + 13w = 15

Solving for variable 'w'.

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

Add '21' to each side of the equation.
-21 + 21 + 13w = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 13w = 15 + 21
13w = 15 + 21

Combine like terms: 15 + 21 = 36
13w = 36

Divide each side by '13'.
w = 2.769230769

Simplifying
w = 2.769230769

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