-7x+-2y=-21

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Solution for -7x+-2y=-21 equation: 


Simplifying
-7x + -2y = -21

Solving
-7x + -2y = -21

Solving for variable 'x'.

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

Add '2y' to each side of the equation.
-7x + -2y + 2y = -21 + 2y

Combine like terms: -2y + 2y = 0
-7x + 0 = -21 + 2y
-7x = -21 + 2y

Divide each side by '-7'.
x = 3 + -0.2857142857y

Simplifying
x = 3 + -0.2857142857y

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