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-2(x+1.4)-1.8=20.6
We move all terms to the left:
-2(x+1.4)-1.8-(20.6)=0
We add all the numbers together, and all the variables
-2(x+1.4)-22.4=0
We multiply parentheses
-2x-2.8-22.4=0
We add all the numbers together, and all the variables
-2x-25.2=0
We move all terms containing x to the left, all other terms to the right
-2x=25.2
x=25.2/-2
x=-12+1/1.6666666666667
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