2x-1.3y=21

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Solution for 2x-1.3y=21 equation: 


Simplifying
2x + -1.3y = 21

Solving
2x + -1.3y = 21

Solving for variable 'x'.

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

Add '1.3y' to each side of the equation.
2x + -1.3y + 1.3y = 21 + 1.3y

Combine like terms: -1.3y + 1.3y = 0.0
2x + 0.0 = 21 + 1.3y
2x = 21 + 1.3y

Divide each side by '2'.
x = 10.5 + 0.65y

Simplifying
x = 10.5 + 0.65y

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