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-7+2.5x=19-4
We move all terms to the left:
-7+2.5x-(19-4)=0
We add all the numbers together, and all the variables
2.5x-7-15=0
We add all the numbers together, and all the variables
2.5x-22=0
We move all terms containing x to the left, all other terms to the right
2.5x=22
x=22/2.5
x=8+1/1.25
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