Question

помогите решить уравнение 22x+x-10=59 (7a-2a)·8=80

Answer 1

22x+x-10=59
23x=59+10
23x=69
x=69:23
x=3


(7a-2a)*8=80
5a*8=80
40a=80
a=80:40
a=2 

Answer 2

23х - 10 = 59
23х = 59 + 10
23х = 69
х = 69:23
х = 3

5а = 80:8
5а = 10
а = 2