Question

Va rog ex 39 40 41 . Va dau coroana​

Answer 1

39.) 2x + 4x= 522

6x= 522

x= 522 : 6

x= 87

40.) x+ 2x+ 3x= 606

6x= 606

x= 606 : 6

x= 101

41.) 5x+4x= 846

9x= 846

x= 846 : 9

x= 94

Answer 2

Răspuns:

2a+4a=522

6a=522=>a=522:6=>a=87

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a+2a+3a=606

6a=606=>a=606:6=>a=101

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5a+4a=846

9a=846=>a=846:9=>a=94