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2.8=1.8-0.3y
We move all terms to the left:
2.8-(1.8-0.3y)=0
We add all the numbers together, and all the variables
-(-0.3y+1.8)+2.8=0
We get rid of parentheses
0.3y-1.8+2.8=0
We add all the numbers together, and all the variables
0.3y+1=0
We move all terms containing y to the left, all other terms to the right
0.3y=-1
y=-1/0.3
y=-3+0.1/0.3
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