Question

cine ma poate ajuta?? ..2x-1=11​

Answer 1

2x - 1 = 11

2x = 11 + 1

2x = 12

x = 12 : 2

x = 6

Answer 2

2x-1=11

2x=11+1

2x=12

x=12:2

x=6

S={6}