0.5(-1)-0.3y=2.1

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Solution for 0.5(-1)-0.3y=2.1 equation: 



0.5(-1)-0.3y=2.1

We move all terms to the left:

0.5(-1)-0.3y-(2.1)=0

We add all the numbers together, and all the variables

-0.3y-2.6=0

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

-0.3y=2.6

y=2.6/-0.3

y=-8+0.2/0.3

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