решите уровнение :
a)22x+x – 10 = 59
б) 14y– 2y + 76 = 100
в) (7a – 2a) • 8 = 80
спасибо !
a)22x+x – 10 = 59
б) 14y– 2y + 76 = 100
в) (7a – 2a) • 8 = 80
спасибо !
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Answers & Comments
х = 3
б)12y = 24
y = 2
в) 5a = 10
a= 2
23x=59+10
23x=69
x=69:23
x=3
б) 12y+76=100
12y=100-76
12y=24
y=24:12
y=2
в) 5a *8=80
5a=80:8
5a=10
a=10:5
a=2