-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 = 2w
-21 + 2w = -7 + -9w + 9w

Combine like terms: -9w + 9w = 0
-21 + 2w = -7 + 0
-21 + 2w = -7

Add '21' to each side of the equation.
-21 + 21 + 2w = -7 + 21

Combine like terms: -21 + 21 = 0
0 + 2w = -7 + 21
2w = -7 + 21

Combine like terms: -7 + 21 = 14
2w = 14

Divide each side by '2'.
w = 7

Simplifying
w = 7

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