Question

реши уровнения: (1)10с - 4 = 8с +18 (2) 25а + 22 = 14а 198

Answer 1

(1) 10c-4=8c+18

10c-8c=18+4

2c=22

c=11

(2)25a+22=14a+198

25a-14a=198-22

11a=176

a=16