Question

Simplify these expressions and find their value ​

Answer 1

Answer:

1. 22

Step-by-step explanation:

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Answer 2

Answer:

$(i) \: 10 - 3b - 4 - 5b. \\ 10 - 3( - 2) - 4 - 5( - 2). \\ 10 - ( - 6) - 4 - ( 10). \\ 10 + 6 - 4 - 10. \\ 16 - 4 - 10. \\ = 2.$