Question

Use the following equation y = 3x + 15 to solve for y when x = 3.

a) 48
b) 24
c) -6
d) 42

Answer 1

3 times 3 equals 9 then you add it with 15, your answer is 24, or b. Have a good rest of your day !

Answer 2

y = 3(3) +15

y = 9 + 15

y= 24