x+9y-13=12

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


Simplifying
x + 9y + -13 = 12

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

Solving
-13 + x + 9y = 12

Solving for variable 'x'.

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

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

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

Combine like terms: -13 + 13 = 0
0 + x + 9y = 12 + 13
x + 9y = 12 + 13

Combine like terms: 12 + 13 = 25
x + 9y = 25

Add '-9y' to each side of the equation.
x + 9y + -9y = 25 + -9y

Combine like terms: 9y + -9y = 0
x + 0 = 25 + -9y
x = 25 + -9y

Simplifying
x = 25 + -9y

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