Объяснение:
[tex]12(2-3m)+35m-9(m+1)=24-36m+35m-9m-9=(-36m+35m-9m)+(24-9) = -10m + 15[/tex]
При m=2:
[tex]m=2\\-10m+15=-10*2+15=-20+15=-5[/tex]
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Объяснение:
[tex]12(2-3m)+35m-9(m+1)=24-36m+35m-9m-9=(-36m+35m-9m)+(24-9) = -10m + 15[/tex]
При m=2:
[tex]m=2\\-10m+15=-10*2+15=-20+15=-5[/tex]