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6.5+2x=-11.3
We move all terms to the left:
6.5+2x-(-11.3)=0
We add all the numbers together, and all the variables
2x+17.8=0
We move all terms containing x to the left, all other terms to the right
2x=-17.8
x=-17.8/2
x=-8+1/1.1111111111111
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