9=8w+45-12w

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Solution for 9=8w+45-12w equation:


Simplifying
9 = 8w + 45 + -12w

Reorder the terms:
9 = 45 + 8w + -12w

Combine like terms: 8w + -12w = -4w
9 = 45 + -4w

Solving
9 = 45 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
9 + 4w = 45 + -4w + 4w

Combine like terms: -4w + 4w = 0
9 + 4w = 45 + 0
9 + 4w = 45

Add '-9' to each side of the equation.
9 + -9 + 4w = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 4w = 45 + -9
4w = 45 + -9

Combine like terms: 45 + -9 = 36
4w = 36

Divide each side by '4'.
w = 9

Simplifying
w = 9

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