Question

 If 4x - 3 = 21, what is the value of (2x- 5) ? ​

Answer 1

Step-by-step explanation:

4x - 3 = 21

4x=21+3

4x=24

x=24/4

x=6

☆value of (2x- 5) ?

=(2x- 5)

=2(6)-5

=12-5

=7

Answer 2

Answer:

Answer = 7

Step-by-step explanation:

First find the value of x

4x - 3 = 21

4x = 21 + 3

4x = 24

x = 24/4

x = 6

Then put the value of x in the equation 2x - 5

2x - 5

2*6-5

12-5

7

Therefore, answer = 7