Решите уравнение 17n+14n-145=134

Question

Решите уравнение
17n+14n-145=134

Answer 1

17n+14n=145+134; 31n=279; n=279:31; n=9

Answer 2

31n-145=134
31n=134+145
31n=279
n=279 : 31
n=9

Comments

7m-35=21

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7m=21+35

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7m=56

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m=8