Question

The sum of x and y numbers is 20. The difference of the two numbers is 16. If the numbers are x and y, which system of linear equations represents the problem?

x + y = 20,
x + y = 16


x + y = 20,
x - y = 16


x - y = 20,
x + y = 16


x - y = 20
x - y = 16

Answer 1

sum refers to what?
difference refers to what?

Answer 2

The sum is the answer, the difference is subtraction, right?

Answer 3

sum is total what does total mean hint it is one of the operations
just like you said difference is subtraction

Answer 4

Addition

Answer 5

yes now look at your choices, which one is it?

Answer 6

It'd be B, then?

Answer 7

yes the second one

Answer 8

:) Wow, okay thanks

Answer 9

see you knew the solution