7(3w+5)=20

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Solution for 7(3w+5)=20 equation:


Simplifying
7(3w + 5) = 20

Reorder the terms:
7(5 + 3w) = 20
(5 * 7 + 3w * 7) = 20
(35 + 21w) = 20

Solving
35 + 21w = 20

Solving for variable 'w'.

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

Add '-35' to each side of the equation.
35 + -35 + 21w = 20 + -35

Combine like terms: 35 + -35 = 0
0 + 21w = 20 + -35
21w = 20 + -35

Combine like terms: 20 + -35 = -15
21w = -15

Divide each side by '21'.
w = -0.7142857143

Simplifying
w = -0.7142857143

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