9y+21=x

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Solution for 9y+21=x equation: 


Simplifying
9y + 21 = x

Reorder the terms:
21 + 9y = x

Solving
21 + 9y = x

Solving for variable 'y'.

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

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

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

Divide each side by '9'.
y = -2.333333333 + 0.1111111111x

Simplifying
y = -2.333333333 + 0.1111111111x

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