contestada

2. The sum of two consecutive numbers is equal to 3 times the first integer plus 7. Find the two integers. Answer:​

Respuesta :

Answer:

-9, -8

Step-by-step explanation:

x+(x+1)=7+3(x+1)

x+x+1=7+3(x+1)

2x+1=7+3(x+1)

2x+1=7+3x+3

2x+1=3x+10

2x+1-1=3x+10-1

2x-3x=3x-3x+9

-1x/-1=9/-1

x=-9/-8