If A = 5, B = - 7 and C = - 8 Evaluate each expression. A - B - C / - A + B - C / A + B + C / A - B + C

Question

Mathematics

Jayleen Gregory

13 December, 03:17

If A = 5, B = - 7 and C = - 8 Evaluate each expression. A - B - C / - A + B - C / A + B + C / A - B + C

+1

Answers (2)

Know the Answer?

Francisco Blanchard · Answer 1

1. 5-7-8=-10

2.-5-7-8=-20

3.5-7-8=-10

4.5-7+-8=-10

Alessandra Ali · Answer 2

Replace each variable with the correct number.

A-B-C = 5 - (-7) - (-8) = 5+7+8 = 20

(The two negatives turn to positives)

-A+B-C = - (5) + (-7) - (-8) = - 5-7+8 = - 4

A+B+C = 5 + (-7) + (-8) = 5-7-8 = - 10

A-B+C = 5 - (-7) + (-8) = 5+7-8 = 4