3x+86=8x-9

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Solution for 3x+86=8x-9 equation:


Simplifying
3x + 86 = 8x + -9

Reorder the terms:
86 + 3x = 8x + -9

Reorder the terms:
86 + 3x = -9 + 8x

Solving
86 + 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.
86 + 3x + -8x = -9 + 8x + -8x

Combine like terms: 3x + -8x = -5x
86 + -5x = -9 + 8x + -8x

Combine like terms: 8x + -8x = 0
86 + -5x = -9 + 0
86 + -5x = -9

Add '-86' to each side of the equation.
86 + -86 + -5x = -9 + -86

Combine like terms: 86 + -86 = 0
0 + -5x = -9 + -86
-5x = -9 + -86

Combine like terms: -9 + -86 = -95
-5x = -95

Divide each side by '-5'.
x = 19

Simplifying
x = 19

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