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2.9x-13.49=7.1
We move all terms to the left:
2.9x-13.49-(7.1)=0
We add all the numbers together, and all the variables
2.9x-20.59=0
We move all terms containing x to the left, all other terms to the right
2.9x=20.59
x=20.59/2.9
x=7+0.29/2.9
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