Respuesta :

the check for B2 is correct as it is, in B3 all you have to do it substitute 5 for x in your original equation.

For example
7x+2=12+5x
you got x=5
7(5)+2 = 12+5(5)
35+2 = 12+25
37 = 37 ✔

Otras preguntas

good job