2x+6y=-21

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Solution for 2x+6y=-21 equation: 


Simplifying
2x + 6y = -21

Solving
2x + 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.
2x + 6y + -6y = -21 + -6y

Combine like terms: 6y + -6y = 0
2x + 0 = -21 + -6y
2x = -21 + -6y

Divide each side by '2'.
x = -10.5 + -3y

Simplifying
x = -10.5 + -3y

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