3x+111=8x-9

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Solution for 3x+111=8x-9 equation:


Simplifying
3x + 111 = 8x + -9

Reorder the terms:
111 + 3x = 8x + -9

Reorder the terms:
111 + 3x = -9 + 8x

Solving
111 + 3x = -9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
111 + 3x + -8x = -9 + 8x + -8x

Combine like terms: 3x + -8x = -5x
111 + -5x = -9 + 8x + -8x

Combine like terms: 8x + -8x = 0
111 + -5x = -9 + 0
111 + -5x = -9

Add '-111' to each side of the equation.
111 + -111 + -5x = -9 + -111

Combine like terms: 111 + -111 = 0
0 + -5x = -9 + -111
-5x = -9 + -111

Combine like terms: -9 + -111 = -120
-5x = -120

Divide each side by '-5'.
x = 24

Simplifying
x = 24

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