SOLUTION: Solve the system of equation by graphing. 1.) -7x + y = -8 -3x + y = -12

Algebra ->  Systems-of-equations -> SOLUTION: Solve the system of equation by graphing. 1.) -7x + y = -8 -3x + y = -12      Log On


   



Question 60342: Solve the system of equation by graphing.
1.)
-7x + y = -8
-3x + y = -12

Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
-7x + y = -8 [Re-write in the slope-intercept form by solving for y]
y=7x-8
The y-intercept =(0, -8)
The x-intercept =(8/7, 0)
The slope = 7
.
-3x + y = -12 [Re-write in the slope-intercept form by solving for y]
y=3x-12
The y-intercept = (0, -12)
The x-intercept =(4, 0)
.
+graph%28+300%2C+200%2C+-5%2C+5%2C+-20%2C+10%2C+7x-8%2C+3x-12%29+