Question

3x+y+7+90=180 what is x and y

Answer 1

so you want y as a function of x?
then x is a function of y?

Answer 2

3x+y+7+90=180 what is x and y
separate y from the rest to find y
for ex if you put y on the left handside its like
y=?

Answer 3

Just solve for y and x by isolating them:
y=-3x+180-90-7
y=-3x+83

3x=-y+180-90-7
3x=-y+83
x=(-1/3)y+(83/3)