24,660 views
2 votes
2 votes
Solve for y 3x+6y=30

User Ira Re
by
2.7k points

2 Answers

29 votes
29 votes

Answer:
y=-(1)/(2) x+5

Explanation:

We need to isolate y by itself

Step 1) Subtract 3x from both sides


3x+6y=30\\3x-3x+6y=30-3x\\6y=30-3x

Step 2) Divide both sides by 6 to isolate y


6y=30-3x\\(6y)/(6) =(30)/(6)-(3x)/(6) \\y=5-(1)/(2)x

User LeftyX
by
2.3k points
14 votes
14 votes

Answer:

the answer= y=5−x/2

User Simon Sabin
by
3.0k points