5w+21=8w-30

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Solution for 5w+21=8w-30 equation:


Simplifying
5w + 21 = 8w + -30

Reorder the terms:
21 + 5w = 8w + -30

Reorder the terms:
21 + 5w = -30 + 8w

Solving
21 + 5w = -30 + 8w

Solving for variable 'w'.

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

Add '-8w' to each side of the equation.
21 + 5w + -8w = -30 + 8w + -8w

Combine like terms: 5w + -8w = -3w
21 + -3w = -30 + 8w + -8w

Combine like terms: 8w + -8w = 0
21 + -3w = -30 + 0
21 + -3w = -30

Add '-21' to each side of the equation.
21 + -21 + -3w = -30 + -21

Combine like terms: 21 + -21 = 0
0 + -3w = -30 + -21
-3w = -30 + -21

Combine like terms: -30 + -21 = -51
-3w = -51

Divide each side by '-3'.
w = 17

Simplifying
w = 17

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