Question

8-(r+9)-7=9
helppppp pleaseeee​

Answer 1

8-(r+9)-7 = 9

First, distribute the (-) sign! ^^

8-r-9-7=9

Calculate the numbers! ^^

-8-r = 9

Isolate the variable (r)! ^^

-r = 9+8

Solve! ^^

-r = 17

Move the sign! ^^

r = -17

^ this is your answer :)