90=3x+3y

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Solution for 90=3x+3y equation:


Simplifying
90 = 3x + 3y

Solving
90 = 3x + 3y

Solving for variable 'x'.

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

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

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

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

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

Divide each side by '-3'.
x = 30 + -1y

Simplifying
x = 30 + -1y

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