Respuesta :

Answer:

[tex]r=0[/tex]

Step-by-step explanation:

[tex]7r+6+3=9[/tex]

Add 6 + 3 = 9:

[tex]7r+9=9[/tex]

Subtract 9 from both sides:

[tex]7r+9-9=9-9[/tex]

[tex]7r=0[/tex]

Divide both sides by 7:

[tex]\frac{7r}{7}=\frac{0}{7}[/tex]

[tex]r=0[/tex]

Answer:

No Solution

Step-by-step explanation:

Step 1:

7r + 6 + 3 = 9

Step 2:

7r + 9 = 9

Step 3:

7r = 0

Answer:

No Solution

Hope This Helps :)