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.65x+.45x=5.4
We move all terms to the left:
.65x+.45x-(5.4)=0
We add all the numbers together, and all the variables
1.1x-5.4=0
We move all terms containing x to the left, all other terms to the right
1.1x=5.4
x=5.4/1.1
x=4+1/1.1
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