.90x+.80y=8.60

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Solution for .90x+.80y=8.60 equation: 


Simplifying
0.90x + 0.80y = 8.60

Solving
0.90x + 0.80y = 8.60

Solving for variable 'x'.

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

Add '-0.80y' to each side of the equation.
0.90x + 0.80y + -0.80y = 8.60 + -0.80y

Combine like terms: 0.80y + -0.80y = 0.00
0.90x + 0.00 = 8.60 + -0.80y
0.90x = 8.60 + -0.80y

Divide each side by '0.90'.
x = 9.555555556 + -0.8888888889y

Simplifying
x = 9.555555556 + -0.8888888889y

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