-4.2=4.8-3y

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Solution for -4.2=4.8-3y equation:


Simplifying
-4.2 = 4.8 + -3y

Solving
-4.2 = 4.8 + -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.
-4.2 + 3y = 4.8 + -3y + 3y

Combine like terms: -3y + 3y = 0
-4.2 + 3y = 4.8 + 0
-4.2 + 3y = 4.8

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 3y = 4.8 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 3y = 4.8 + 4.2
3y = 4.8 + 4.2

Combine like terms: 4.8 + 4.2 = 9
3y = 9

Divide each side by '3'.
y = 3

Simplifying
y = 3

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