Question

If x=12, then 2x-5=19. So I don't understand help me our please? ??

Answer 1

ure answer for ure question is 
x=12 so u multiply 2*12=24-5=19
24-5=19

Answer 2

First, let's input the x value into the equation:

          2x - 5 = 19
      2(12) - 5 = 19
        24  - 5  = 19
                19 = 19

As you can see, this works! Therefore, the x value is correct. 

Hope this helps!