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

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


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

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

Combine like terms: 7w + 3w = 10w
-9 = 21 + 10w

Solving
-9 = 21 + 10w

Solving for variable 'w'.

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

Add '-10w' to each side of the equation.
-9 + -10w = 21 + 10w + -10w

Combine like terms: 10w + -10w = 0
-9 + -10w = 21 + 0
-9 + -10w = 21

Add '9' to each side of the equation.
-9 + 9 + -10w = 21 + 9

Combine like terms: -9 + 9 = 0
0 + -10w = 21 + 9
-10w = 21 + 9

Combine like terms: 21 + 9 = 30
-10w = 30

Divide each side by '-10'.
w = -3

Simplifying
w = -3

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