7w+15=-9(w-7)

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Solution for 7w+15=-9(w-7) equation:


Simplifying
7w + 15 = -9(w + -7)

Reorder the terms:
15 + 7w = -9(w + -7)

Reorder the terms:
15 + 7w = -9(-7 + w)
15 + 7w = (-7 * -9 + w * -9)
15 + 7w = (63 + -9w)

Solving
15 + 7w = 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.
15 + 7w + 9w = 63 + -9w + 9w

Combine like terms: 7w + 9w = 16w
15 + 16w = 63 + -9w + 9w

Combine like terms: -9w + 9w = 0
15 + 16w = 63 + 0
15 + 16w = 63

Add '-15' to each side of the equation.
15 + -15 + 16w = 63 + -15

Combine like terms: 15 + -15 = 0
0 + 16w = 63 + -15
16w = 63 + -15

Combine like terms: 63 + -15 = 48
16w = 48

Divide each side by '16'.
w = 3

Simplifying
w = 3

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