2x-y+13=31

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Solution for 2x-y+13=31 equation:


Simplifying
2x + -1y + 13 = 31

Reorder the terms:
13 + 2x + -1y = 31

Solving
13 + 2x + -1y = 31

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 + 2x + -13 + -1y = 31 + -13

Reorder the terms:
13 + -13 + 2x + -1y = 31 + -13

Combine like terms: 13 + -13 = 0
0 + 2x + -1y = 31 + -13
2x + -1y = 31 + -13

Combine like terms: 31 + -13 = 18
2x + -1y = 18

Add 'y' to each side of the equation.
2x + -1y + y = 18 + y

Combine like terms: -1y + y = 0
2x + 0 = 18 + y
2x = 18 + y

Divide each side by '2'.
x = 9 + 0.5y

Simplifying
x = 9 + 0.5y

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