15x-121=6x-13

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Solution for 15x-121=6x-13 equation:


Simplifying
15x + -121 = 6x + -13

Reorder the terms:
-121 + 15x = 6x + -13

Reorder the terms:
-121 + 15x = -13 + 6x

Solving
-121 + 15x = -13 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-121 + 15x + -6x = -13 + 6x + -6x

Combine like terms: 15x + -6x = 9x
-121 + 9x = -13 + 6x + -6x

Combine like terms: 6x + -6x = 0
-121 + 9x = -13 + 0
-121 + 9x = -13

Add '121' to each side of the equation.
-121 + 121 + 9x = -13 + 121

Combine like terms: -121 + 121 = 0
0 + 9x = -13 + 121
9x = -13 + 121

Combine like terms: -13 + 121 = 108
9x = 108

Divide each side by '9'.
x = 12

Simplifying
x = 12

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