10x+21y=9

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Solution for 10x+21y=9 equation: 


Simplifying
10x + 21y = 9

Solving
10x + 21y = 9

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.
10x + 21y + -21y = 9 + -21y

Combine like terms: 21y + -21y = 0
10x + 0 = 9 + -21y
10x = 9 + -21y

Divide each side by '10'.
x = 0.9 + -2.1y

Simplifying
x = 0.9 + -2.1y

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