-7x+21y=49

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Solution for -7x+21y=49 equation: 


Simplifying
-7x + 21y = 49

Solving
-7x + 21y = 49

Solving for variable 'x'.

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

Add '-21y' to each side of the equation.
-7x + 21y + -21y = 49 + -21y

Combine like terms: 21y + -21y = 0
-7x + 0 = 49 + -21y
-7x = 49 + -21y

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

Simplifying
x = -7 + 3y

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