9x+y=7

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Solution for 9x+y=7 equation: 


Simplifying
9x + y = 7

Solving
9x + y = 7

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
9x + y + -1y = 7 + -1y

Combine like terms: y + -1y = 0
9x + 0 = 7 + -1y
9x = 7 + -1y

Divide each side by '9'.
x = 0.7777777778 + -0.1111111111y

Simplifying
x = 0.7777777778 + -0.1111111111y

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