-3x+21y=4

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Solution for -3x+21y=4 equation: 


Simplifying
-3x + 21y = 4

Solving
-3x + 21y = 4

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.
-3x + 21y + -21y = 4 + -21y

Combine like terms: 21y + -21y = 0
-3x + 0 = 4 + -21y
-3x = 4 + -21y

Divide each side by '-3'.
x = -1.333333333 + 7y

Simplifying
x = -1.333333333 + 7y

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