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y=-3.5+4.2
We move all terms to the left:
y-(-3.5+4.2)=0
We add all the numbers together, and all the variables
y-(0.7)=0
We add all the numbers together, and all the variables
y-0.7=0
We move all terms containing y to the left, all other terms to the right
y=0.7
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