Answer
$x=-\frac{3}{7}$
Work Step by Step
We know that $|ax+b|\geq0$ for all real numbers $a,b$. Hence here the solution set is $|7x+3|=0\\7x+3=0\\7x=-3\\x=-\frac{3}{7}$
![](https://gradesaver.s3.amazonaws.com/uploads/solution/7dcb72c2-93dc-447f-8526-a801b0833bc4/steps_image/small_1572873517.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJVAXHCSURVZEX5QQ%2F20240908%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240908T000123Z&X-Amz-Expires=900&X-Amz-SignedHeaders=host&X-Amz-Signature=cf63cc956e2c2ca0ec654fd6c4dacebec8c6d924e777d2e976a85601297b0c71)
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.