Respuesta :

Answer:

Step-by-step explanation:

x=-1, y=1

Answer:

X=1 Y=1

Step-by-step explanation:

3x-7(2x+3)+10=0           y=2x+3     y=2(-1)+3    = -2+3    y=1

3x-(4x-21)+10=0

-11x - 11=0

-x-1=

X=1  

There you go I solve it out.