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7y-3(4.9=3y)=5.1=6.3y
We move all terms to the left:
7y-3(4.9-(3y))=0
We add all the numbers together, and all the variables
7y-3(-3y+4.9)=0
We multiply parentheses
7y+9y-14.7=0
We add all the numbers together, and all the variables
16y-14.7=0
We move all terms containing y to the left, all other terms to the right
16y=14.7
y=14.7/16
y=5.44444444444/5.92592592593
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