90=9x+3y

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Solution for 90=9x+3y equation:


Simplifying
90 = 9x + 3y

Solving
90 = 9x + 3y

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
90 + -9x = 9x + -9x + 3y

Combine like terms: 9x + -9x = 0
90 + -9x = 0 + 3y
90 + -9x = 3y

Add '-90' to each side of the equation.
90 + -90 + -9x = -90 + 3y

Combine like terms: 90 + -90 = 0
0 + -9x = -90 + 3y
-9x = -90 + 3y

Divide each side by '-9'.
x = 10 + -0.3333333333y

Simplifying
x = 10 + -0.3333333333y

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