2.8=-9+y

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Solution for 2.8=-9+y equation: 


Simplifying
2.8 = -9 + y

Solving
2.8 = -9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
2.8 + -1y = -9 + y + -1y

Combine like terms: y + -1y = 0
2.8 + -1y = -9 + 0
2.8 + -1y = -9

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -1y = -9 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -1y = -9 + -2.8
-1y = -9 + -2.8

Combine like terms: -9 + -2.8 = -11.8
-1y = -11.8

Divide each side by '-1'.
y = 11.8

Simplifying
y = 11.8

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