Respuesta :
You can combine terms that are followed by an X or that are plain numbers (ex -7x & -2x)
Answer:
add -7x and -2x which becomes -9x and yeah
the solution to the equation is about -0.524
Step-by-step explanation:
-7x+12-2x=23+13x
12-9x=23+13x
12=21x+23
-11=21x
-0.52380952=x