y=3x+4 y=-x-4

How do I do this and graph it!!!!
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1 Answer

y = 3x + 4

y = -x - 4

3x + 4 = -x - 4

4x = -8

x = -2

y = 3(-2) + 4 = -2

intersection of lines is (-2,-2)

The first equation has a slope of 3 and y-intercept of 4.

The second equation has a slope of -1 and y-intercept of -4.
by Level 6 User (23.1k points)

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