(x-450)-3540=4000:80

Question

(x-450)-3540=4000:80

Answer 1

(х-450)-3540=50
х-450=50+3540
х-450=3590
х=3590+450
х=4040
проверка
(4040-450)-3540=4000:80
3590-3540=50
50=50

Comments

cпс помогла

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;)

Answer 2

X-450=4000:80
х-450=50
x-450=3540+50
x=3590+450
x=4040
Ответ:4040