2.3=7.7+y

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Solution for 2.3=7.7+y equation: 


Simplifying
2.3 = 7.7 + y

Solving
2.3 = 7.7 + 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.
2.3 + -1y = 7.7 + y + -1y

Combine like terms: y + -1y = 0
2.3 + -1y = 7.7 + 0
2.3 + -1y = 7.7

Add '-2.3' to each side of the equation.
2.3 + -2.3 + -1y = 7.7 + -2.3

Combine like terms: 2.3 + -2.3 = 0.0
0.0 + -1y = 7.7 + -2.3
-1y = 7.7 + -2.3

Combine like terms: 7.7 + -2.3 = 5.4
-1y = 5.4

Divide each side by '-1'.
y = -5.4

Simplifying
y = -5.4

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