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3.5=1.4-0.5y
We move all terms to the left:
3.5-(1.4-0.5y)=0
We add all the numbers together, and all the variables
-(-0.5y+1.4)+3.5=0
We get rid of parentheses
0.5y-1.4+3.5=0
We add all the numbers together, and all the variables
0.5y+2.1=0
We move all terms containing y to the left, all other terms to the right
0.5y=-2.1
y=-2.1/0.5
y=-4+0.1/0.5
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