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1.8-3.7x=-4.2=0.3
We move all terms to the left:
1.8-3.7x-(-4.2)=0
We add all the numbers together, and all the variables
-3.7x+6=0
We move all terms containing x to the left, all other terms to the right
-3.7x=-6
x=-6/-3.7
x=1+2.3/3.7
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