3.1y+1.2=2.3y+2.8

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Solution for 3.1y+1.2=2.3y+2.8 equation: 


Simplifying
3.1y + 1.2 = 2.3y + 2.8

Reorder the terms:
1.2 + 3.1y = 2.3y + 2.8

Reorder the terms:
1.2 + 3.1y = 2.8 + 2.3y

Solving
1.2 + 3.1y = 2.8 + 2.3y

Solving for variable 'y'.

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

Add '-2.3y' to each side of the equation.
1.2 + 3.1y + -2.3y = 2.8 + 2.3y + -2.3y

Combine like terms: 3.1y + -2.3y = 0.8y
1.2 + 0.8y = 2.8 + 2.3y + -2.3y

Combine like terms: 2.3y + -2.3y = 0.0
1.2 + 0.8y = 2.8 + 0.0
1.2 + 0.8y = 2.8

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 0.8y = 2.8 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 0.8y = 2.8 + -1.2
0.8y = 2.8 + -1.2

Combine like terms: 2.8 + -1.2 = 1.6
0.8y = 1.6

Divide each side by '0.8'.
y = 2

Simplifying
y = 2

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