asanchez6969696969 asanchez6969696969

25-09-2020
Mathematics

contestada

21-7x=7(3-x)
Solve this please!!!!!!!!!!

Respuesta :

sanju2016kr sanju2016kr

25-09-2020

Answer:

All real numbers

Step-by-step explanation:

21 - 7x = 7(3 - x)

21 - 7x = 21 - 7x

Since both sides of the equation are equal, the answer is all real numbers.

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cromulent cromulent

25-09-2020

[tex]21 - 7x = 7(3 - x)\\21 - 7x = 21 - 7x\\-7x + 7x = 21 - 21\\x \in \mathbb{R}[/tex]

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