0.9x+0.4y=120

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Solution for 0.9x+0.4y=120 equation: 


Simplifying
0.9x + 0.4y = 120

Solving
0.9x + 0.4y = 120

Solving for variable 'x'.

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

Add '-0.4y' to each side of the equation.
0.9x + 0.4y + -0.4y = 120 + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
0.9x + 0.0 = 120 + -0.4y
0.9x = 120 + -0.4y

Divide each side by '0.9'.
x = 133.3333333 + -0.4444444444y

Simplifying
x = 133.3333333 + -0.4444444444y

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