SOLUTION: y = 3x + 2
2x + y = - 8
Algebra.Com
Question 148936: y = 3x + 2
2x + y = - 8
Found 2 solutions by checkley77, stanbon:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y=3x+2 (RED LINE)
2x+y=-8
Y=-2X-8 (GREEN LINE)
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x +2 and -2x -8).
solution (-2,-4)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
y = 3x + 2
2x + y = - 8
-------------------
Rearrange:
y = 3x + 2
y = -2x - 8
----------------
Substitute to solve for "x":
3x + 2 = -2x -8
5x = -10
x = -2
-----------
Substitute into y = 3x+2 to solve for "y":
y = 3(-2) + 2
y = -4
================
Cheers,
Stan H.
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