21x+9y=b

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Solution for 21x+9y=b equation: 


Simplifying
21x + 9y = b

Solving
21x + 9y = b

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
21x + 9y + -9y = b + -9y

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

Divide each side by '21'.
x = 0.04761904762b + -0.4285714286y

Simplifying
x = 0.04761904762b + -0.4285714286y

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