21y-2=9

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Solution for 21y-2=9 equation: 


Simplifying
21y + -2 = 9

Reorder the terms:
-2 + 21y = 9

Solving
-2 + 21y = 9

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + 21y = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 21y = 9 + 2
21y = 9 + 2

Combine like terms: 9 + 2 = 11
21y = 11

Divide each side by '21'.
y = 0.5238095238

Simplifying
y = 0.5238095238

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