Question

9. Seven times a number is 12 less than thirteen times the same number. Find the number.

10. Solve: a) 3m =9

b) 2(m + 2) = 18


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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

9. Let the no. be x

 7x=13x-12

 0=13x-7x-12

 0=6x-12

 0=6(x-2)

 0=x-2

 x=2

10. a.) 3m=9

         m=3

b.) 2(m+2)=18

    m+2=9

    m=7