Match each polynomial expression to its additive inverse. -612-x +2
62-+2
6x-x+2
-612+x-2
-6+x-2
6+-2
-612-x-2
6:2+x+2

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.