Question

2(×-3)=3(×+4) y 2(×-5)+3(×+5)=20

Answer 1

Respuesta:

2(×-3)=3(×+4)

2x-6=3x+12

-6-12=3x-2x

-18=x

2(×-5)+3(×+5)=20

2x-10+3x+15=20

5x+5=20

5x=20-5

5x=15

x=3