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3(7.4-1.5y)-0.5y=-6.8
We move all terms to the left:
3(7.4-1.5y)-0.5y-(-6.8)=0
We add all the numbers together, and all the variables
3(-1.5y+7.4)-0.5y-(-6.8)=0
We add all the numbers together, and all the variables
-0.5y+3(-1.5y+7.4)+6.8=0
We multiply parentheses
-0.5y-3y+22.2+6.8=0
We add all the numbers together, and all the variables
-3.5y+29=0
We move all terms containing y to the left, all other terms to the right
-3.5y=-29
y=-29/-3.5
y=8+1/3.5
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