Question

пример- (х+59) :42=86

Answer 1

(х+59):42=86

х+59=86*42

х+59=3612

х=3612-59

х=3553

проверка

(3553+59):42=86

86=86

 

Answer 2

(х+59) :42=86

х+59=86·42

х+59=3612

х=3612-59

х=3553

(3553+59):42=86