Question

х+7803=350140:7 надо

Answer 1

х+7803=350140:7
х+7803=50020
x= 50020-7803
x= 42217

Answer 2

х+7803=350140:7
х+7803=50020,
х=50020-7803,
х=42217.
42217+7803=350140:7
50020=50020