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4 years ago

Solve for x in the literal equation −18 = xy + z

Mathematics

1 answer:

ale4655 [162]4 years ago

6 0

-18 = xy + z
- z -18 = xy
-z-18/y = x

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Aleksandr-060686 [28]

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x = 7, x = -10

Step-by-step explanation:

$x^2+3x-70 = 0$

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$x = \frac{-3 + \sqrt{3^2-4(1)(-70)} }{2(1)} \\x = \frac{-3 - \sqrt{3^2-4(1)(-70)} }{2(1)} \\$

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