Question

Simplify:
1. 5 (-6) + (12 ÷ 4)}
3. (-6)-(-28) + (-7)}
5. 11 - (-8) - {10 -(9-7-4)}]
7. 10 - 8 - {11 + 30 + (4-5-7)}]
2. 10 - (56 + (-16 + 9))
4. 8- (12-(9-7-4)
6. (-9)--[(-5) - {11 -(8-5-2)​

Answer 1

Answer:

$\red{ \tt (1) \quad\bull \quad5( - 6) + (12 \div 4) }\\ \: \: \: \: \: \: \: \: \tt \red{ = - 30 + 3 }\\ \tt \red{ = - 27}$

$\tt (2) \quad \bull \quad( - 6) - ( - 28) + ( - 7) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = - 6 + 28 - 7 \\ \: \: \: \: \: \: \: \: = 22 - 7 \\ = 15$