9w+3w-5=7

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Solution for 9w+3w-5=7 equation: 


Simplifying
9w + 3w + -5 = 7

Reorder the terms:
-5 + 9w + 3w = 7

Combine like terms: 9w + 3w = 12w
-5 + 12w = 7

Solving
-5 + 12w = 7

Solving for variable 'w'.

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

Add '5' to each side of the equation.
-5 + 5 + 12w = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 12w = 7 + 5
12w = 7 + 5

Combine like terms: 7 + 5 = 12
12w = 12

Divide each side by '12'.
w = 1

Simplifying
w = 1

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