2w+21=5(w+6)

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Solution for 2w+21=5(w+6) equation:


Simplifying
2w + 21 = 5(w + 6)

Reorder the terms:
21 + 2w = 5(w + 6)

Reorder the terms:
21 + 2w = 5(6 + w)
21 + 2w = (6 * 5 + w * 5)
21 + 2w = (30 + 5w)

Solving
21 + 2w = 30 + 5w

Solving for variable 'w'.

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

Add '-5w' to each side of the equation.
21 + 2w + -5w = 30 + 5w + -5w

Combine like terms: 2w + -5w = -3w
21 + -3w = 30 + 5w + -5w

Combine like terms: 5w + -5w = 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 = 9
-3w = 9

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

Simplifying
w = -3

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