Respuesta :

Answer:

7=2+r

Step-by-step explanation:

basic algebra, can u mark brainliest answer please?

Answer:

2 + r = 7

Step-by-step explanation:

The left side has 7 1's , that is 7

The right side has 2 1's and r , that is 2 + r

Thus

2 + r = 7