Question

If x=2y and y =4c and c =2,find the value of 8x

Answer 1

8x=8(2y)

8x=16y

8x=16(4c)

8x=64c

8x=128

Answer 2

c=2

then put the value of c=2
y = 4c
y = 4 × 2
y = 8

then put the value y = 8
x = 2y
x = 2×8
x= 16



the value of

8x = 8× 16
= 128 answer