Respuesta :

Answer:

the hint is the answer

Step-by-step explanation:

put the x terms together then put the normal terms together.

6 + 4 = 10

-3 + -21 = -24

10x - 24

arielo620ar
Hi there first you would need to solve 4x - 3 + 6x - 21 = 90 which is x = 57/5 hope it helps and im really sorry if its wrong.