Respuesta :

Answer:

r = 1

Step-by-step explanation:

Solve for  r

by simplifying both sides of the equation, then isolating the variable.

vanessaakaraiwe123

Answer:

r = 1

Step-by-step explanation:

7 - r = 8 - 2r

Add 2r to both sides

7 + r = 8

Subtract 7 from both sides

r = 1