A+235=870-124; x:7=71-62;

Question

A+235=870-124; x:7=71-62;

Answer 1

A+235=870-124
a+235=746
a=746-235
a=511
Проверка
511+235=870-124
746=746

х:7=71-62
х:7=9
x=7•9
x=63
Проверка
63:7=71-62
9=9

Answer 2

А+235=870
а=870-235
а=635
х:7=71-62
х:7=9
х=9*7
х=63