Question

please ans wer this I mark that the brainliest​

Answer 1

Answer:

$3x + \frac{21}{7} = 0 \\ 3x = - \frac{21}{7} \\ x = - \frac{21}{7} \times \frac{1}{3} \\ x = - 1$

Answer 2

hope it's helpful for u

please mark me as brainlist