7(w+5)=5w+21

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Solution for 7(w+5)=5w+21 equation:


Simplifying
7(w + 5) = 5w + 21

Reorder the terms:
7(5 + w) = 5w + 21
(5 * 7 + w * 7) = 5w + 21
(35 + 7w) = 5w + 21

Reorder the terms:
35 + 7w = 21 + 5w

Solving
35 + 7w = 21 + 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.
35 + 7w + -5w = 21 + 5w + -5w

Combine like terms: 7w + -5w = 2w
35 + 2w = 21 + 5w + -5w

Combine like terms: 5w + -5w = 0
35 + 2w = 21 + 0
35 + 2w = 21

Add '-35' to each side of the equation.
35 + -35 + 2w = 21 + -35

Combine like terms: 35 + -35 = 0
0 + 2w = 21 + -35
2w = 21 + -35

Combine like terms: 21 + -35 = -14
2w = -14

Divide each side by '2'.
w = -7

Simplifying
w = -7

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