SOLUTION: how do you solve 4x+y=7

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: how do you solve 4x+y=7       Log On


   



Question 667188: how do you solve 4x+y=7


Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

graph linear function
4x%2By=7


find x-intercept:
set y=0
4x%2B0=7
4x=7
x=+7%2F4..........x-intercept is at (7%2F4,0)...that is one point
find y-intercept:
set x=0
4%2A0%2By=7
y=+7..........y-intercept is at (0,7)...that is second point
plot these two points and draw a line through

+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C-4x%2B7%29+