Решите уравнения (39+х)-84=78

Question

Решите уравнения (39+х)-84=78

Answer 1

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

Answer 2

X= 78+84-39 X=123 OTVET:39+123-84=78