Question

1. Find the value of y when x = 3.
y = 3(x+7) + 12

Answer 1

When x = 3 the value of y = 3(3+7) + 12

y = 3(3+7) + 12
= 42

Answer 2

y= 42. 3(3+7)+12
3(10)+12
30+12
42
y=42