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8=-5.4+b
We move all terms to the left:
8-(-5.4+b)=0
We add all the numbers together, and all the variables
-(b-5.4)+8=0
We get rid of parentheses
-b+5.4+8=0
We add all the numbers together, and all the variables
-1b+13.4=0
We move all terms containing b to the left, all other terms to the right
-b=-13.4
b=-13.4/-1
b=13+0.4/1
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