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0.4x-1.8=7.3
We move all terms to the left:
0.4x-1.8-(7.3)=0
We add all the numbers together, and all the variables
0.4x-9.1=0
We move all terms containing x to the left, all other terms to the right
0.4x=9.1
x=9.1/0.4
x=22+0.3/0.4
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