Pick any number 2 4
Multiply by 2 2*2=4 4*2=8
Add 5 4+5=9 8+5=13
Subtract 7 9-7=2 13-7=6
Divide by 2 2/2=1 6/2=3
Add 1 1+1=2 3+1=4
What we can see on this trick is that the number we picked is our answer.
Welcome to a world where creativity, ingenuity, and mathematics mesh together to create Grade 10 Precalculus math.
