Solution:
1.
[tex]( - 4)(8) \div 16 + 3( - 7) \\ = - 32 \div 16 + ( - 21) \\ = - 2 + ( - 21) \\ = - 23[/tex]
2.
[tex](30 + 26) \div (7 (- 2)) \\ = 56 \div ( - 14) \\ = - 4[/tex]
3.
[tex] \frac{ {( - 6)}^{2} + 12}{( - 3)(4)} \\ = \frac{36 + 12}{( - 3)(4)} \\ = \frac{36 + 12}{ - 12} \\ = \frac{48}{ - 12} \\ = - 4[/tex]
4.
[tex] \frac{4 - 3( - 8)}{( - 2)( - 1 + 8)} \\ = \frac{4 - ( - 24)}{ - 2 \times 7} \\ = \frac{4 - ( - 24)}{ - 14} \\ = \frac{28}{ - 14} \\ = - 2[/tex]
5.
[tex]20 \div ( - 4) + ( - 32 \div 16) + 3( - 7) \\ = 20 \div ( - 4) + ( - 2) + 3( - 7) \\ = 20 \div ( - 4) + ( -2 ) + ( - 21) \\ = - 5 + ( - 2) + ( - 21) \\ = - 28[/tex]
Answers:
- -23
- -4
- -4
- -2
- -28
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