86-3x=4x+9

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


Simplifying
86 + -3x = 4x + 9

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

Solving
86 + -3x = 9 + 4x

Solving for variable 'x'.

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

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

Combine like terms: -3x + -4x = -7x
86 + -7x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
86 + -7x = 9 + 0
86 + -7x = 9

Add '-86' to each side of the equation.
86 + -86 + -7x = 9 + -86

Combine like terms: 86 + -86 = 0
0 + -7x = 9 + -86
-7x = 9 + -86

Combine like terms: 9 + -86 = -77
-7x = -77

Divide each side by '-7'.
x = 11

Simplifying
x = 11

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