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3 votes
8 = 3y - 12 - 8y What is the value of y?

User Ezolotko
by
3.9k points

2 Answers

13 votes
hey there!

3y-8y = 12+8

=> -5y=20

=> -y = 20/5

=>
\fbox{y=-4}

Hope this helps you :)
User Kevin Teljeur
by
4.7k points
7 votes

Answer:

y = -4

Explanation:

8 = 3y - 12 - 8y

Combine like terms

8 = -5y -12

Add 12 to each side

8+12 - 5y-12+12

20 = -5y

Divide each side by -5

20/-5 = -5y/-5

-4 =y

User Nathan Ernst
by
4.1k points