6x-21y=42

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Solution for 6x-21y=42 equation: 


Simplifying
6x + -21y = 42

Solving
6x + -21y = 42

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.
6x + -21y + 21y = 42 + 21y

Combine like terms: -21y + 21y = 0
6x + 0 = 42 + 21y
6x = 42 + 21y

Divide each side by '6'.
x = 7 + 3.5y

Simplifying
x = 7 + 3.5y

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