.8x+.9y=2.1

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Solution for .8x+.9y=2.1 equation: 


Simplifying
0.8x + 0.9y = 2.1

Solving
0.8x + 0.9y = 2.1

Solving for variable 'x'.

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

Add '-0.9y' to each side of the equation.
0.8x + 0.9y + -0.9y = 2.1 + -0.9y

Combine like terms: 0.9y + -0.9y = 0.0
0.8x + 0.0 = 2.1 + -0.9y
0.8x = 2.1 + -0.9y

Divide each side by '0.8'.
x = 2.625 + -1.125y

Simplifying
x = 2.625 + -1.125y

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