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Marina86 [1]
3 years ago
14

Solve for x −9x+5≤17 OR 13x+25≤−1

Mathematics
2 answers:
Lesechka [4]3 years ago
4 0

Answer:

(-\infty,-2] \cup [\displaystyle\frac{-4}{3},-\infty)

Step-by-step explanation:

We are given the following information in the question:

We have to solve the given inequalities for x:

Inequality 1

-9x+5 \leq 17\\-9x \leq 17-5\\-9x \leq 12\\\\x \leq \displaystyle\frac{12}{-9}\\\\x \geq \frac{-4}{3}\\\\x \in [\frac{-4}{3},-\infty)

Inequality 2

13x + 25 \leq -1\\13x \leq -1-25\\13x \leq -26\\\\x \leq \displaystyle\frac{-26}{13}\\\\x \leq -2\\x \in (-\infty,-2]

The combined solution for both the inequalities is given by:

(-\infty,-2] \cup [\displaystyle\frac{-4}{3},-\infty)

arsen [322]3 years ago
3 0

Answer:

(-∞ 2] ∪ [-4/3 ∞ )

Step-by-step explanation:

Given compound inequality,

-9x+5\leq 17\text{ or }13x+25\leq -1

-9x\leq 12\text{ or }13x\leq -26  ( Subtraction property of inequality )

-x\leq \frac{12}{9}\text{ or }x\leq -\frac{26}{13}   ( Division property of inequality )

-x\leq \frac{4}{3}\text{ or }x\leq -2

x\geq -\frac{4}{3}\text{ or }x\leq -2   ( a < b ⇒ - a > - b )

Hence, the solution of the given inequality is,

(-∞ -2] ∪ [-4/3 ∞ )

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