Question

x+y=4

Answer 1

its a straight line

Answer 2

what is the answer?

Answer 3

what is the question?

Answer 4

that is the equation of a straight line. that is not a question

Answer 5

are you looking to solve for x? to solve for y?
to graph? to find y when x=8? ....

Answer 6

x intercept,y intercept,slope...

Answer 7

Ah ok.

well you can find:
the x intercept; by substituting y=0 into the equation

the y intercept; by substituting x=0 into the equation

the slope; by rearranging the equation into the form y=mx+b
where m is the slope

Answer 8

thank you. i forgot.