-4.2x+y=7.9

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Solution for -4.2x+y=7.9 equation: 


Simplifying
-4.2x + y = 7.9

Solving
-4.2x + y = 7.9

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.
-4.2x + y + -1y = 7.9 + -1y

Combine like terms: y + -1y = 0
-4.2x + 0 = 7.9 + -1y
-4.2x = 7.9 + -1y

Divide each side by '-4.2'.
x = -1.880952381 + 0.2380952381y

Simplifying
x = -1.880952381 + 0.2380952381y

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