а) (3у-1)-(2у+4)+у=33
3y – 1 – 2y – 4 + y = 33
3y – 2y + y = 33 + 4 + 1
2y = 38
y = 19
б) 15=(6х-1)-(х+18)
15 = 6x – 1 – x – 18
– 6x + x = – 18 – 1 – 15
-5x = -34
x = 6.8
а) (3у-1)-(2у+4)+у=33
3y – 1 – 2y – 4 + y = 33
3y – 2y + y = 33 + 4 + 1
2y = 38
y = 19
б) 15=(6х-1)-(х+18)
15 = 6x – 1 – x – 18
– 6x + x = – 18 – 1 – 15
-5x = -34
x = 6.8