7(w+3)=-9w-7

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Solution for 7(w+3)=-9w-7 equation:


Simplifying
7(w + 3) = -9w + -7

Reorder the terms:
7(3 + w) = -9w + -7
(3 * 7 + w * 7) = -9w + -7
(21 + 7w) = -9w + -7

Reorder the terms:
21 + 7w = -7 + -9w

Solving
21 + 7w = -7 + -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.
21 + 7w + 9w = -7 + -9w + 9w

Combine like terms: 7w + 9w = 16w
21 + 16w = -7 + -9w + 9w

Combine like terms: -9w + 9w = 0
21 + 16w = -7 + 0
21 + 16w = -7

Add '-21' to each side of the equation.
21 + -21 + 16w = -7 + -21

Combine like terms: 21 + -21 = 0
0 + 16w = -7 + -21
16w = -7 + -21

Combine like terms: -7 + -21 = -28
16w = -28

Divide each side by '16'.
w = -1.75

Simplifying
w = -1.75

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