2x-5y=-21

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Solution for 2x-5y=-21 equation: 


Simplifying
2x + -5y = -21

Solving
2x + -5y = -21

Solving for variable 'x'.

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

Add '5y' to each side of the equation.
2x + -5y + 5y = -21 + 5y

Combine like terms: -5y + 5y = 0
2x + 0 = -21 + 5y
2x = -21 + 5y

Divide each side by '2'.
x = -10.5 + 2.5y

Simplifying
x = -10.5 + 2.5y

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