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3 years ago

Find a number that is not a solution to 3x-1>8 or 7-x>3

Mathematics

1 answer:

NikAS [45]3 years ago

8 0

Answer:

All of the numbers are solutions.

Step-by-step explanation:

Step 1: Solve for x in the first equation

$3x - 1 + 1 > 8 + 1$

$3x / 3 > 9 / 3$

$x > 3$

Step 2: Solve for x in the second equation

$7 - x - 7 > 3 - 7$

$-x / -1 > -4 / -1$

Since you divided by a negative, you must flip the sign.

$x < 4$

Step 3: Find the number

x > 3 and x < 4

Answer: All of the numbers are solutions.

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Read 2 more answers

Use the quadratic formula to solve x2 – 5x + 3 = 0.

Anit [1.1K]

Answer:

x is 4.30 and 0.697

Step-by-step explanation:

Quadratic formular:

$x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a} \\$

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Therefore, values of x :

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Step-by-step explanation:

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