Question

x-y=795
x:y=7 rest 15
Aflați nr .

Answer 1

Răspuns:

x=7y+15

7y+15-y=795

6y=795-15

6y=780

y=130

x=7x130+15=925

Explicație pas cu pas:

Answer 2

x - y = 795

x : y = 7 rest 15

x = 7 × y + 15

7 × y + 15 - y = 795

6 × y + 15 = 795

6 × y = 795 - 15

6 × y = 780

y = 780 : 6

y = 130

x = 7 × 130 + 15

x = 910 + 15

x = 925