Question

Solve the equation using mental math. (1 point)

r-6=6
O 38
O 12
042
O 36

Answer 1

12

Step-by-step explanation:

6 + 6 = 12

or

r - 6 = 6

+ 6 + 6

r = 12

Answer 2

12

Step-by-step explanation:

12-6=6