3x+85=9x+13

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Solution for 3x+85=9x+13 equation:


Simplifying
3x + 85 = 9x + 13

Reorder the terms:
85 + 3x = 9x + 13

Reorder the terms:
85 + 3x = 13 + 9x

Solving
85 + 3x = 13 + 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.
85 + 3x + -9x = 13 + 9x + -9x

Combine like terms: 3x + -9x = -6x
85 + -6x = 13 + 9x + -9x

Combine like terms: 9x + -9x = 0
85 + -6x = 13 + 0
85 + -6x = 13

Add '-85' to each side of the equation.
85 + -85 + -6x = 13 + -85

Combine like terms: 85 + -85 = 0
0 + -6x = 13 + -85
-6x = 13 + -85

Combine like terms: 13 + -85 = -72
-6x = -72

Divide each side by '-6'.
x = 12

Simplifying
x = 12

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