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4x+0.4(-3)=-1.2
We move all terms to the left:
4x+0.4(-3)-(-1.2)=0
We add all the numbers together, and all the variables
4x-16-2.2204460492503E=0
We add all the numbers together, and all the variables
4x-22.035798146751=0
We move all terms containing x to the left, all other terms to the right
4x=22.035798146751
x=22.035798146751/4
x=5+1/1.9648313396806
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