3x+86=9x-4

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Solution for 3x+86=9x-4 equation:


Simplifying
3x + 86 = 9x + -4

Reorder the terms:
86 + 3x = 9x + -4

Reorder the terms:
86 + 3x = -4 + 9x

Solving
86 + 3x = -4 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
86 + 3x + -9x = -4 + 9x + -9x

Combine like terms: 3x + -9x = -6x
86 + -6x = -4 + 9x + -9x

Combine like terms: 9x + -9x = 0
86 + -6x = -4 + 0
86 + -6x = -4

Add '-86' to each side of the equation.
86 + -86 + -6x = -4 + -86

Combine like terms: 86 + -86 = 0
0 + -6x = -4 + -86
-6x = -4 + -86

Combine like terms: -4 + -86 = -90
-6x = -90

Divide each side by '-6'.
x = 15

Simplifying
x = 15

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