а) 5z−4=234z+2
5z – 234z = 2 + 4
-229z = 6
z = 6/-229
z =-0,02620087336
б) 4х+23=5х+16
4x – 5x = 16 – 23
-x = -7
x = 7
а) 5z−4=234z+2
5z – 234z = 2 + 4
-229z = 6
z = 6/-229
z =-0,02620087336
б) 4х+23=5х+16
4x – 5x = 16 – 23
-x = -7
x = 7