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6.5y-19=2.5(-4)
We move all terms to the left:
6.5y-19-(2.5(-4))=0
We add all the numbers together, and all the variables
6.5y-9=0
We move all terms containing y to the left, all other terms to the right
6.5y=9
y=9/6.5
y=1+1/2.6
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