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3 years ago

-3+9x>87 or -x-9>-17

Mathematics

1 answer:

Alex_Xolod [135]3 years ago

7 0

Answer:

$\large\boxed{x\in(-\infty,\ 8)\ \cup\ (10,\ \infty)}$

Step-by-step explanation:

$-3+9x>87\qquad\text{add 3 to both sides}\\\\9x>90\qquad\text{divide both sides by 9}\\\\\boxed{x>10}\to(1)\\\\-x-9>-17\qquad\text{add 9 to both sides}\\\\-x>-8\qquad\text{change the signs}\\\\\boxed{x10\ or\ x$

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Answer:

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3 years ago

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Lemur [1.5K]

The correct answer is:

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Read 2 more answers

-3+9x>87 or -x-9>-17​

-3+9x>87 or -x-9>-17