Question

Determine by substitution if 5 is the root of equation 3(2x-5)-15=0

Answer 1

Answer:

let x be 5

Step-by-step explanation:

3(2(5)-5)-15

3(10-5)-15

3(5)-15

15-15=0

l.h.s=r.h.s

5 is the root of the equation