How do I work the problem 8y-3=15 2y

label Mathematics
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May 11th, 2015

y=3

explanation:


8y-3=15+2y

subtract '2y' from both sides 

(you can add, subtract, multiply or divide an equation with a number without affecting the solution )

8y-2y-3  =  15+2y-2y

it becomes     

 6y-3=15

now add 3 to both sides

6y-3+3=15+3

6y=18

divide both sides by 6

6y/6  =  18/6

y = 3


Good Luck.

Feel free to ask if in doubt.

May 11th, 2015

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