example exercise 2 Solve for n on the following given number sentence

[tex]1.6x7 = n[/tex]
[tex]2.( - 9x24 = n[/tex]
[tex]3.56 \times 8 = n[/tex]
[tex]4.( -12) \times 15 = n[/tex]
[tex]5.14 \times ( - 11) = n[/tex]
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