Find 2 numbers if their sum is 3 and their difference is 21

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?