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5(6.2-0.4y)+2y=31
We move all terms to the left:
5(6.2-0.4y)+2y-(31)=0
We add all the numbers together, and all the variables
5(-0.4y+6.2)+2y-31=0
We add all the numbers together, and all the variables
2y+5(-0.4y+6.2)-31=0
We multiply parentheses
2y+0y+31-31=0
We add all the numbers together, and all the variables
3y=0
y=0/3
y=0
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