Question

What is the solution the the system of equations graphed below y=-2x-4 y=x+2

Answer 1

y = 2x - 4
y = x + 2

2x - 4 = x + 2
2x - x = 2 + 4
x = 6

substitute x = 6 into one of the first 2 equation, i chose the 2nd one.
y = 6 + 2
y = 8

Answer 2

(-2,0)

Explanation:

y=-2x-4

y=x+2

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• x+2= -2x-4
• 3x=-6
• x=-2
• y=x+2=-2+2=0

(-2, 0) is the answer