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

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


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

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

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

Solving
-7 + 9w = -20 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
-7 + 9w + 4w = -20 + -4w + 4w

Combine like terms: 9w + 4w = 13w
-7 + 13w = -20 + -4w + 4w

Combine like terms: -4w + 4w = 0
-7 + 13w = -20 + 0
-7 + 13w = -20

Add '7' to each side of the equation.
-7 + 7 + 13w = -20 + 7

Combine like terms: -7 + 7 = 0
0 + 13w = -20 + 7
13w = -20 + 7

Combine like terms: -20 + 7 = -13
13w = -13

Divide each side by '13'.
w = -1

Simplifying
w = -1

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