147: add/sub
star
star
star
star
star
Last updated over 4 years ago
14 questions
1
\frac{1}{2}+\frac{2}{7}
\frac{1}{2}+\frac{2}{7}
1
\frac{2}{3}+\frac{3}{5}
\frac{2}{3}+\frac{3}{5}
1
\frac{2}{7x} + \frac{9}{7x}
\frac{2}{7x} + \frac{9}{7x}
1
\frac{-2x^{3}}{5x+8} - \frac{-3x^{3}}{5x+8}
\frac{-2x^{3}}{5x+8} - \frac{-3x^{3}}{5x+8}
1
\frac{5x+3}{6} - \frac{-6x+9}{6}
\frac{5x+3}{6} - \frac{-6x+9}{6}
1
5-\frac{2x+5}{x-6}
5-\frac{2x+5}{x-6}
1
\frac{7}{x^{2}+6x+8} - \frac{x}{x+2}
\frac{7}{x^{2}+6x+8} - \frac{x}{x+2}
1
\frac{4}{x-3} + \frac{3x+1}{x-5}
\frac{4}{x-3} + \frac{3x+1}{x-5}
1
\frac{3}{x^{2}-25} - \frac{2}{x+5}
\frac{3}{x^{2}-25} - \frac{2}{x+5}
1
\frac{7}{6-x} + \frac{7x+5}{x-6}
\frac{7}{6-x} + \frac{7x+5}{x-6}
1
\frac{5}{6x} - \frac{4}{9x}
\frac{5}{6x} - \frac{4}{9x}
1
\frac{5}{7-x} + \frac{3}{x-7}
\frac{5}{7-x} + \frac{3}{x-7}
1
\frac{2}{x-2}-7
\frac{2}{x-2}-7
0
Choose all that are true
Choose all that are true