9x+7y=20

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Solution for 9x+7y=20 equation: 


Simplifying
9x + 7y = 20

Solving
9x + 7y = 20

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
9x + 7y + -7y = 20 + -7y

Combine like terms: 7y + -7y = 0
9x + 0 = 20 + -7y
9x = 20 + -7y

Divide each side by '9'.
x = 2.222222222 + -0.7777777778y

Simplifying
x = 2.222222222 + -0.7777777778y

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