Question

If y=2x- 3, find the value of y when x=2

Answer 1

2x-3=y

y=2*2-3=

y=4-3

y=1

Answer 2

If y = 2x - 3   and x = 2   Then, y = .....

2 x 2 = 4    4 - 3 = 1

This means that 2x - 3 = 1

Therefore, y = 1!