9w+12w-2=7

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Solution for 9w+12w-2=7 equation:


Simplifying
9w + 12w + -2 = 7

Reorder the terms:
-2 + 9w + 12w = 7

Combine like terms: 9w + 12w = 21w
-2 + 21w = 7

Solving
-2 + 21w = 7

Solving for variable 'w'.

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

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

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

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

Divide each side by '21'.
w = 0.4285714286

Simplifying
w = 0.4285714286

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