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2x+2.99=6.87
We move all terms to the left:
2x+2.99-(6.87)=0
We add all the numbers together, and all the variables
2x-3.88=0
We move all terms containing x to the left, all other terms to the right
2x=3.88
x=3.88/2
x=1+1/1.063829787234
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