90=7x+5y

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Solution for 90=7x+5y equation: 


Simplifying
90 = 7x + 5y

Solving
90 = 7x + 5y

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
90 + -7x = 7x + -7x + 5y

Combine like terms: 7x + -7x = 0
90 + -7x = 0 + 5y
90 + -7x = 5y

Add '-90' to each side of the equation.
90 + -90 + -7x = -90 + 5y

Combine like terms: 90 + -90 = 0
0 + -7x = -90 + 5y
-7x = -90 + 5y

Divide each side by '-7'.
x = 12.85714286 + -0.7142857143y

Simplifying
x = 12.85714286 + -0.7142857143y

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