.5x+.9y=140

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Solution for .5x+.9y=140 equation: 


Simplifying
0.5x + 0.9y = 140

Solving
0.5x + 0.9y = 140

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.
0.5x + 0.9y + -0.9y = 140 + -0.9y

Combine like terms: 0.9y + -0.9y = 0.0
0.5x + 0.0 = 140 + -0.9y
0.5x = 140 + -0.9y

Divide each side by '0.5'.
x = 280 + -1.8y

Simplifying
x = 280 + -1.8y

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