Question

If 4x-3=21, what is the value of (3x-5)?

Answer 1

Step-by-step explanation:

given 4x-3=21

4x=21+3

4x= 24

x=6

substitute x value in 2nd equation

3x-5

(3×6)-5=18-5=13

therefore the value of 3x-5=13