2y-2.1=9.9

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Solution for 2y-2.1=9.9 equation: 


Simplifying
2y + -2.1 = 9.9

Reorder the terms:
-2.1 + 2y = 9.9

Solving
-2.1 + 2y = 9.9

Solving for variable 'y'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 2y = 9.9 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 2y = 9.9 + 2.1
2y = 9.9 + 2.1

Combine like terms: 9.9 + 2.1 = 12
2y = 12

Divide each side by '2'.
y = 6

Simplifying
y = 6

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