7.8y-4.9-5.4y=2.3

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Solution for 7.8y-4.9-5.4y=2.3 equation: 


Simplifying
7.8y + -4.9 + -5.4y = 2.3

Reorder the terms:
-4.9 + 7.8y + -5.4y = 2.3

Combine like terms: 7.8y + -5.4y = 2.4y
-4.9 + 2.4y = 2.3

Solving
-4.9 + 2.4y = 2.3

Solving for variable 'y'.

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

Add '4.9' to each side of the equation.
-4.9 + 4.9 + 2.4y = 2.3 + 4.9

Combine like terms: -4.9 + 4.9 = 0.0
0.0 + 2.4y = 2.3 + 4.9
2.4y = 2.3 + 4.9

Combine like terms: 2.3 + 4.9 = 7.2
2.4y = 7.2

Divide each side by '2.4'.
y = 3

Simplifying
y = 3

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