Question

уравнения 22x+x-10=59 14y-2y+76=100 (7a-2a)x8=80

Answer 1

22x+x-10=59

23x=69

x=3

14y-2y+76=100

12y=24

y=2

(7a-2a)x8=80

40a=80

a=2

Answer 2

22х+х-10=59

23х-10=59

23х=59+10

23х=69

х=69/23

х=3

Ответ:х=3