Question

y = 4x - 3

If x = 3, then what is the value of y?
A) 0
B) 3
C) 4
D) 9

Answer 1

D)9
y=4x-3
y=4(3)-3
y=12-3
y=9

Answer 2

Simply plug in the value for x into the equation.

y = 4(3) - 3

Multiply

y = (4)(3) - 3

y = 12 - 3

y = 9