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help plz

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Line m has the equation y = 3x + 5. Line n has the equation y = kx - 7. Lines m and n intersect at the point (-4, -7). What is the value of k?

Dec 25, 2021

#1
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What is the value of k?

Hello Guest!

$$3x + 5 = kx - 7.$$

$$3\cdot (-4) + 5. = k\cdot (-4) - 7 \\ -7=-4k-7$$

$$k=0$$

!

Dec 25, 2021