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daser333 [38]
3 years ago
7

What is this question 2x+30=6x-12

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0

Answer:

x=10.5

Step-by-step explanation:

2x+30=6x-12

30=4x-12

42=4x

x=10.5

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[-9,-4] U (-4, 19)<br><br><br> Simplify the following Union and/or intersection
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The union and intersection of the sets is given as  { -4, -9 , 19} and { -4} respectively.

<h3>What is a set?</h3>

A set is simply a  mathematical model for a collection of different things which could be elements or members.

Union of sets represented with '∪' is the combination of two sets without repetition

Intersection of sets represented with '∩' is the sum of elements common between the.

From the expression given, we have;

[-9,-4] U (-4, 19)

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Learn more about sets here:

brainly.com/question/2166579

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