720=120x+90y

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Solution for 720=120x+90y equation:


Simplifying
720 = 120x + 90y

Solving
720 = 120x + 90y

Solving for variable 'x'.

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

Add '-120x' to each side of the equation.
720 + -120x = 120x + -120x + 90y

Combine like terms: 120x + -120x = 0
720 + -120x = 0 + 90y
720 + -120x = 90y

Add '-720' to each side of the equation.
720 + -720 + -120x = -720 + 90y

Combine like terms: 720 + -720 = 0
0 + -120x = -720 + 90y
-120x = -720 + 90y

Divide each side by '-120'.
x = 6 + -0.75y

Simplifying
x = 6 + -0.75y

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