7x-6y=-21

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Solution for 7x-6y=-21 equation: 


Simplifying
7x + -6y = -21

Solving
7x + -6y = -21

Solving for variable 'x'.

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

Add '6y' to each side of the equation.
7x + -6y + 6y = -21 + 6y

Combine like terms: -6y + 6y = 0
7x + 0 = -21 + 6y
7x = -21 + 6y

Divide each side by '7'.
x = -3 + 0.8571428571y

Simplifying
x = -3 + 0.8571428571y

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