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-0.4=-2.2+t
We move all terms to the left:
-0.4-(-2.2+t)=0
We add all the numbers together, and all the variables
-(t-2.2)-0.4=0
We get rid of parentheses
-t+2.2-0.4=0
We add all the numbers together, and all the variables
-1t+1.8=0
We move all terms containing t to the left, all other terms to the right
-t=-1.8
t=-1.8/-1
t=1+0.8/1
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