Question

Help me
Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19. Expression 2: 5+4×2+6-2×2-1

Answer 1

(5+4)x2+6-(2x2)-1
5+4 is 9 
mulitpy by 2 to get 18
add 6 to get 24
subtract 4 (2x2) to get 20
then minus 1