Question

solve and verify the solution.
a. 6x-3=21
b. 7x+4=11

Answer 1

6x = 21+3
6x =24x
x=24/6
x=4
verifying
6(4) -3
24-3
=21
b 7x = 11-4
7x=7
x = 7/7
x=1
verify
7(1)+4
=11
hope it helps u

Answer 2

6x=21+3=6x=24=x=24/6=4.check=x=4so 24-3=18 checked., 7x=11-4=7 now x=7/7=1 so x=1 check 7+4=11 checked(hope it helps)