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-2.3(3x+1.2)+4x=-4
We move all terms to the left:
-2.3(3x+1.2)+4x-(-4)=0
We add all the numbers together, and all the variables
4x-2.3(3x+1.2)+4=0
We multiply parentheses
4x-6.9x-2.76+4=0
We add all the numbers together, and all the variables
-2.9x+1.24=0
We move all terms containing x to the left, all other terms to the right
-2.9x=-1.24
x=-1.24/-2.9
x=1/2.33870967742
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