Respuesta :

Answer:

4x +8= 20

2x+3= 9

Step-by-step explanation:

4 times 3 equals 12 and 12+8 = 20

2 times 3 is 6 and 6+3=9

quetos

Answer:

4x+8=20

2x+3=9

Step-by-step explanation:

I used substitution.

I substituted x with 3 so

4(3)+8=20

same with the other one,

2(3)+3=9

Hope this helped!