Question

x + 3y = 15 from graph
find value of y when x = 3
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Answer 1

Answer:

x= 3

therefore, (3)+ 3y = 15

3y = 15 - 3

3y =12

y = 4

Answer 2

Answer:

value of y = 4

Step-by-step explanation:

x+3y = 15

given that x=3

3+3y= 15

3y = 15-3

3y = 12

y = 12/3

y= 4