2.8=5.1+y

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Solution for 2.8=5.1+y equation: 


Simplifying
2.8 = 5.1 + y

Solving
2.8 = 5.1 + 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 = 5.1 + y + -1y

Combine like terms: y + -1y = 0
2.8 + -1y = 5.1 + 0
2.8 + -1y = 5.1

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -1y = 5.1 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -1y = 5.1 + -2.8
-1y = 5.1 + -2.8

Combine like terms: 5.1 + -2.8 = 2.3
-1y = 2.3

Divide each side by '-1'.
y = -2.3

Simplifying
y = -2.3

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