Question

x+y=5

Answer 1

what is the question exactly?

Answer 2

that is the question

Answer 3

What i mean is are you trying to find x and y? or something else?

Answer 4

x

Answer 5

i dont think so they say the answer is y=-x+5

Answer 6

you see

x + y = 5

Subtract x on both sides

x + y - x = 5 - x

Simplify both sides

y = 5 - x

y = 5 + (-x)

y = (-x) + 5

y = -x + 5

That is how they reached the answer. Do you understand?

Answer 7

-x+5