You normally use pie in equation that had the circumference or radius or diameter. !<span />
Answer:
No it is wrong
Step-by-step explanation:
let's say the number is 15 is a substract 13 I get 2 but let's take 15 again of I add one I have 16 so it's incorrect
7 will never equal 8 so there is no solution. so i think it is C