0. Review of College Algebra

Add or subtract, as indicated. See Example 4. (3/2k) + (5/3k)

Add or subtract, as indicated. See Example 4. (1/6m) + (2/5m) + (4/m)

Add or subtract, as indicated. See Example 4. (1/a)+(b/a²)

Add or subtract, as indicated. See Example 4. (5/12x²y) - (11/6xy)

Add or subtract, as indicated. See Example 4. ((17y + 3)/(9y + 7)) - ((-10y - 18)/(9y + 7 ))

Add or subtract, as indicated. See Example 4. (1/(x + z)) + (1/(x - z))

Add or subtract, as indicated. See Example 4. (3/a - 2) - (1/2 - a)

Add or subtract, as indicated. See Example 4. 4/(x+1) + 1/(x² - x + 1) - 12/(x³ + 1)

Add or subtract, as indicated. See Example 4. (3x)/(x² + x − 12) − x/(x² − 16) + x

Simplify each complex fraction. See Examples 5 and 6. (−4/3) ÷ (2/9)

Simplify each complex fraction. See Examples 5 and 6. (y/r) ÷ (x/y)

Simplify each complex fraction. See Examples 5 and 6. (5/8 + 2/3) ÷ (7/1 − 1/4)

Simplify each complex fraction. See Examples 5 and 6. [ (−4/3) + 12/5 ] / [ 1 − (−4/3)(12/5) ]

Simplify each complex fraction. See Examples 5 and 6. (1 + 1/x) / (1 − 1/x)