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blsea [12.9K]
3 years ago
11

3x-91>-87 AND 17x-16>18

Mathematics
2 answers:
astra-53 [7]3 years ago
6 0

Answer:

( 2, ∞ )

Step-by-step explanation:

Given compound inequality,

3x-91 > -87 and 17x-16 > 18,

3x > -87 + 91 and 17x > 18 + 16

3x > 4 and 17x > 34

x > \frac{4}{3} and x > 2

Since, if x > \frac{4}{3}

x ∈ ( \frac{4}{3}, ∞ )

If x > 2

x ∈ ( 2, ∞ )

Now, x > \frac{4}{3} and x > 2

\implies (\frac{4}{3}, \infty)\cap (2, \infty)

= ( 2, ∞ )

Hence, the possible solution of the given compound inequality is (2, ∞)

kirill [66]3 years ago
3 0

3x-91 > -81\ \ \ \ |+91\\\\3x > 10\ \ \ \ |:3\\\\x > \dfrac{10}{3}\\\\17x-16 > 18\ \ \ \ |+16\\\\17x > 34\ \ \ \ |:17\\\\x > 2\\\\Answer:\ 2 < x < \dfrac{10}{3}\to x\in\left(2,\ \dfrac{10}{3}\right)

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