-5(w-4)+5w=9(w+7)

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Solution for -5(w-4)+5w=9(w+7) equation:


Simplifying
-5(w + -4) + 5w = 9(w + 7)

Reorder the terms:
-5(-4 + w) + 5w = 9(w + 7)
(-4 * -5 + w * -5) + 5w = 9(w + 7)
(20 + -5w) + 5w = 9(w + 7)

Combine like terms: -5w + 5w = 0
20 + 0 = 9(w + 7)
20 = 9(w + 7)

Reorder the terms:
20 = 9(7 + w)
20 = (7 * 9 + w * 9)
20 = (63 + 9w)

Solving
20 = 63 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
20 + -9w = 63 + 9w + -9w

Combine like terms: 9w + -9w = 0
20 + -9w = 63 + 0
20 + -9w = 63

Add '-20' to each side of the equation.
20 + -20 + -9w = 63 + -20

Combine like terms: 20 + -20 = 0
0 + -9w = 63 + -20
-9w = 63 + -20

Combine like terms: 63 + -20 = 43
-9w = 43

Divide each side by '-9'.
w = -4.777777778

Simplifying
w = -4.777777778

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