The number 2 in the expression 5 + 2x is called the

Mathematics

1 answer:

steposvetlana [31]4 years ago

4 0

Answer:

Step-by-step explanation:

The coefficient of x is simply a number. The x gives it it's meaning. So if the coefficient of x changed from 2 to 6 that would mean there would 6 x's being added to five, not 2.

For example if x=2.

instead of 5 + 2*2

(which equals 9)

it would be 5 + 6*2

(which equals 17).

The difference between the answers is 4x, as there are an additional 4x's.

Hope this helps :)

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Answer:

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Step-by-step explanation:

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It is called: reflexive property

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x = y and y = 10, then x = 10
It is called: equality substitution property