Решите уравнени , 23x+34+19x=462,(x+323)-561=2198,1946-(757-x)=354

Question

Решите уравнени , 23x+34+19x=462,(x+323)-561=2198,1946-(757-x)=354

Answer 1

1) 23х+34+19х=462
23х+19х=462-34
42х=428
х=10,19
2) (х+323)-561=2198
х+323-561=2198
х= 2198-323+561
х= 2436
3) 1946-(757-х)=354
1946-757+х=354
х=354+757-1946
х=-835