Question

verify by substitution method 1 1 the root of 3×-5=7 is x=4
2 the root of 3+2x = 9 is x =3
3 the root of 5x-8= 2x-2 is x=2​

Answer 1

Answer:

and 3) 5x - 8=2x - 2

put x=2

5*2-8=2*2-2

10-8=4-2

2=2