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3 years ago

How do I solve this equation?

Mathematics

1 answer:

GenaCL600 [577]3 years ago

5 0

Answer:

x=-4/5 and 2

Step-by-step explanation:

since it is absolute value, 5x-3 can = 7 or negative 7

5x-3=7

5x=10

x=2

5x-3=-7

5x=-4

x=-4/5

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4 years ago

For all real values of m,<br> 8 + 3(m - 5) =?

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Answer:

We have the value as 3m-7

Step-by-step explanation:

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4 years ago

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3 years ago

Draw a number line and mark on it, if possible, all described points. Numbers that are larger than 2 and smaller than 5.

Flura [38]

Step-by-step explanation:

The number line below describes number larger than 2.

This can be written as {x: x > 2}.

Note that the indicator on 2 is not shaded, this shows that 2 is not included in the set.

..|......|......|......|......|......|......|......|......|......|..

-2....-1.....0....1.....2.....3....4.....5....6.....7

............................O-------------------------->

.......................................(x > 2)

The number line below describes number smaller than 5. This can be written as {x: x < 5}. 5 is not included in this set neither, so, the indicator is also not shaded.

..|......|......|......|......|......|......|......|......|......|..

-2....-1.....0....1.....2.....3....4.....5....6.....7

<-------------------------------------O

...............(x < 5)

LOOK AT THIS EXAMPLE BELOW

..|......|......|......|......|......|......|......|......|......|..

-2....-1.....0....1.....2.....3....4.....5....6.....7

<--------------------------------•

...............(x ≤ 4)

Note that the indicator on 4 is shaded black. It shows that 4 is included in the set.

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4 years ago