Question

Решите уравнение
1) (39+x)-84=78 2) (x-83)+316=425 3)(600-x)-92=126

Answer 1

(39+х)-84=78
(39+х)=78+84
(39+х)=162
х=162-39
х=123
(39+123)-84=78

Answer 2

1) (39+х)-84=78
39+х=78+84=162
х=162-39
х=123
(39+123)-84=78

2) (х-83)+316=425
х-83=425-316=109
х= 109+83
х=193
(193-83)+316=425

3) (600-х)-92=126
600-х=126+92=218
х=600-218
х=382
(600-382)-92=126