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Zigmanuir [339]
3 years ago
7

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

Mathematics
2 answers:
Elena-2011 [213]3 years ago
4 0

21 - 7x = 7(3 - x)\\21 - 7x = 21 - 7x\\-7x + 7x = 21 - 21\\x \in \mathbb{R}

Hunter-Best [27]3 years ago
3 0

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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