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7+x-15=-2.666666666666667
We move all terms to the left:
7+x-15-(-2.666666666666667)=0
We add all the numbers together, and all the variables
x+7-15-(-2.6666666666667)=0
We add all the numbers together, and all the variables
x-5.3333333333333=0
We move all terms containing x to the left, all other terms to the right
x=5.3333333333333
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