Answer
x = $\frac{5}{21}$
Work Step by Step
x + $\frac{3}{7}$ = -x + $\frac{1}{3}$ + $\frac{4}{7}$
2x + $\frac{3}{7}$ = $\frac{1}{3}$ + $\frac{4}{7}$
2x = $\frac{1}{3}$ + $\frac{1}{7}$
2x = $\frac{10}{21}$
x = $\frac{5}{21}$
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.