1x-2y=-21

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Solution for 1x-2y=-21 equation: 


Simplifying
1x + -2y = -21

Solving
1x + -2y = -21

Solving for variable 'x'.

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

Add '2y' to each side of the equation.
1x + -2y + 2y = -21 + 2y

Combine like terms: -2y + 2y = 0
1x + 0 = -21 + 2y
1x = -21 + 2y

Divide each side by '1'.
x = -21 + 2y

Simplifying
x = -21 + 2y

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