7(w+1)=5w+21

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Solution for 7(w+1)=5w+21 equation:


Simplifying
7(w + 1) = 5w + 21

Reorder the terms:
7(1 + w) = 5w + 21
(1 * 7 + w * 7) = 5w + 21
(7 + 7w) = 5w + 21

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

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

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

Combine like terms: 5w + -5w = 0
7 + 2w = 21 + 0
7 + 2w = 21

Add '-7' to each side of the equation.
7 + -7 + 2w = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 2w = 21 + -7
2w = 21 + -7

Combine like terms: 21 + -7 = 14
2w = 14

Divide each side by '2'.
w = 7

Simplifying
w = 7

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