SOLUTION: how do I solve for y if 1/3(y+3)+1/4(y+1)=3

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Question 559810: how do I solve for y if 1/3(y+3)+1/4(y+1)=3
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
how do I solve for y if 1/3(y+3)+1/4(y+1)=3
:
1%2F3(y+3)+1%2F4(y+1) = 3
get rid of the denominators, multiply by 12, results:
4(y+3) + 3(y+1) = 12(3)
:
4y + 12 + 3y + 3 = 36
7y + 15 = 36
7y = 36 - 15
7y = 21
y = 21/7
y = 3
:
:
Check this by replacing y with 3 in the original equation