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

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


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

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

Combine like terms: 3w + 3w = 6w
-9 = 21 + 6w

Solving
-9 = 21 + 6w

Solving for variable 'w'.

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

Add '-6w' to each side of the equation.
-9 + -6w = 21 + 6w + -6w

Combine like terms: 6w + -6w = 0
-9 + -6w = 21 + 0
-9 + -6w = 21

Add '9' to each side of the equation.
-9 + 9 + -6w = 21 + 9

Combine like terms: -9 + 9 = 0
0 + -6w = 21 + 9
-6w = 21 + 9

Combine like terms: 21 + 9 = 30
-6w = 30

Divide each side by '-6'.
w = -5

Simplifying
w = -5

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