-2.2=7.8-2y

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Solution for -2.2=7.8-2y equation:


Simplifying
-2.2 = 7.8 + -2y

Solving
-2.2 = 7.8 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-2.2 + 2y = 7.8 + -2y + 2y

Combine like terms: -2y + 2y = 0
-2.2 + 2y = 7.8 + 0
-2.2 + 2y = 7.8

Add '2.2' to each side of the equation.
-2.2 + 2.2 + 2y = 7.8 + 2.2

Combine like terms: -2.2 + 2.2 = 0.0
0.0 + 2y = 7.8 + 2.2
2y = 7.8 + 2.2

Combine like terms: 7.8 + 2.2 = 10
2y = 10

Divide each side by '2'.
y = 5

Simplifying
y = 5

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