9x-13=x+12

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Solution for 9x-13=x+12 equation:


Simplifying
9x + -13 = x + 12

Reorder the terms:
-13 + 9x = x + 12

Reorder the terms:
-13 + 9x = 12 + x

Solving
-13 + 9x = 12 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-13 + 9x + -1x = 12 + x + -1x

Combine like terms: 9x + -1x = 8x
-13 + 8x = 12 + x + -1x

Combine like terms: x + -1x = 0
-13 + 8x = 12 + 0
-13 + 8x = 12

Add '13' to each side of the equation.
-13 + 13 + 8x = 12 + 13

Combine like terms: -13 + 13 = 0
0 + 8x = 12 + 13
8x = 12 + 13

Combine like terms: 12 + 13 = 25
8x = 25

Divide each side by '8'.
x = 3.125

Simplifying
x = 3.125

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