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Kryger [21]
4 years ago
10

2x+9=3(4x-7) help show work

Mathematics
1 answer:
ivann1987 [24]4 years ago
3 0

Answer:

2x+9=12x-21

-2.      -2

9=10x -21

+21           +21

30=10x

Divide by 10 on both sides

30/10

x=3

Step-by-step explanation:

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The opposite of |3| = - |3|

What is Modulus Function?

Regardless of the sign, a modulus function returns the magnitude of a number. The absolute value function is another name for it.

It always gives a non-negative value of any number or variable. Modulus function is denoted as y = |x| or f(x) = |x|, where f: R → (0,∞) and x ∈ R.

The value of the modulus function is always non-negative. If f(x) is a modulus function , then we have:

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Given data ,

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Now , the opposite of the number x = -x

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Hence , The opposite of |3| = - |3|

To learn more about modulus function click :

brainly.com/question/13682596

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