Question

4 − –5f = –66 f = _______

Answer 1

f = -14

Explanation:

given:

4 − (–5f) = –66

4 + 5f = -66 ( subtract 4 from both sides)

5f = -66 - 4

5f = -70 (divide both sides by 5)

f = (-70) / 5

f = -14