-5x+9y=-21

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Solution for -5x+9y=-21 equation: 


Simplifying
-5x + 9y = -21

Solving
-5x + 9y = -21

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
-5x + 9y + -9y = -21 + -9y

Combine like terms: 9y + -9y = 0
-5x + 0 = -21 + -9y
-5x = -21 + -9y

Divide each side by '-5'.
x = 4.2 + 1.8y

Simplifying
x = 4.2 + 1.8y

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