3x+8x-9=112

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Solution for 3x+8x-9=112 equation: 


Simplifying
3x + 8x + -9 = 112

Reorder the terms:
-9 + 3x + 8x = 112

Combine like terms: 3x + 8x = 11x
-9 + 11x = 112

Solving
-9 + 11x = 112

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 11x = 112 + 9

Combine like terms: -9 + 9 = 0
0 + 11x = 112 + 9
11x = 112 + 9

Combine like terms: 112 + 9 = 121
11x = 121

Divide each side by '11'.
x = 11

Simplifying
x = 11

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