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# Adding and Subtracting Rational Expressions (Part 1)

- 1Simplify and state any restrictions. $$ \frac{5}{6x}-\frac{2}{3x}+\frac{3}{4x}$$
- 2Simplify and state any restrictions. $$ \frac{5}{6x}-\frac{2}{x^2}-\frac{1}{3x}$$
- 3Simplify and state any restrictions. $$ \frac{5a}{8x}+\frac{2a}{4x^2}$$
- 4Simplify and state any restrictions. $$ \frac{1}{3x^2}-\frac{3}{2x^3}+\frac{3}{x}$$
- 5Simplify and state any restrictions. $$ \frac{a}{x^2y}-\frac{b}{xy^2}+\frac{c}{3x^2y^2}$$
- 6Simplify and state any restrictions. $$ \frac{2m+3n}{2}-\frac{m-2n}{3}$$
- 7Simplify and state any restrictions. $$ \frac{2x+1}{6}-\frac{x-3}{3}-\frac{x-2}{4}$$

$$e=mc^2$$