4.7+8.1=4.2-3.2y-8.4

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Solution for 4.7+8.1=4.2-3.2y-8.4 equation: 



4.7+8.1=4.2-3.2y-8.4

We move all terms to the left:

4.7+8.1-(4.2-3.2y-8.4)=0

We add all the numbers together, and all the variables

-(-3.2y-4.2)+4.7+8.1=0

We add all the numbers together, and all the variables

-(-3.2y-4.2)+12.8=0

We get rid of parentheses

3.2y+4.2+12.8=0

We add all the numbers together, and all the variables

3.2y+17=0

We move all terms containing y to the left, all other terms to the right

3.2y=-17

y=-17/3.2

y=-5+1/3.2

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