-7.8-4y=-3y-7.2

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Solution for -7.8-4y=-3y-7.2 equation: 


Simplifying
-7.8 + -4y = -3y + -7.2

Reorder the terms:
-7.8 + -4y = -7.2 + -3y

Solving
-7.8 + -4y = -7.2 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-7.8 + -4y + 3y = -7.2 + -3y + 3y

Combine like terms: -4y + 3y = -1y
-7.8 + -1y = -7.2 + -3y + 3y

Combine like terms: -3y + 3y = 0
-7.8 + -1y = -7.2 + 0
-7.8 + -1y = -7.2

Add '7.8' to each side of the equation.
-7.8 + 7.8 + -1y = -7.2 + 7.8

Combine like terms: -7.8 + 7.8 = 0.0
0.0 + -1y = -7.2 + 7.8
-1y = -7.2 + 7.8

Combine like terms: -7.2 + 7.8 = 0.6
-1y = 0.6

Divide each side by '-1'.
y = -0.6

Simplifying
y = -0.6

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