How do you evaluate 10- ( + 2) - ( - 8) + ( - 4) - 1?

1 Answer
Mar 2, 2018

10−(+2)−(−8)+(−4)−1 = 11

Explanation:

Evaluate 10−(+2)−(−8)+(−4)−1

Clear the parentheses
10 − 2 + 8 − 4−1

Collect like signs
10 + 8   − 2 − 4 − 1
color(white)(.)╲  ╱ color(white)(......)╲       ╱
color(white)(..) 18 color(white)(.........) − 7

Combine the terms
color(white)(..) 18 color(white)(.........) − 7
color(white)(......)color(white)(......)
color(white)(..........)11

Answer:
10−(+2)−(−8)+(−4)−1 = 11