joanamarieragrag667 joanamarieragrag667

08-12-2021
Mathematics

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twice the sum of the number and 10 is 60 what is the number?

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Аноним Аноним

08-12-2021

Let the number be n

[tex]\\ \sf\longmapsto 2(n+10)=60[/tex]

[tex]\\ \sf\longmapsto n+10=60/2[/tex]

[tex]\\ \sf\longmapsto n+10=30[/tex]

[tex]\\ \sf\longmapsto n=30-10[/tex]

[tex]\\ \sf\longmapsto n=20[/tex]

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