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2.6x-7=-79
We move all terms to the left:
2.6x-7-(-79)=0
We add all the numbers together, and all the variables
2.6x+72=0
We move all terms containing x to the left, all other terms to the right
2.6x=-72
x=-72/2.6
x=-27+1/1.4444444444444
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