решите В и Г желательно на бумажке. Created by kot0305. matematika-ru

решите В и Г желательно на бумажке...

kot0305 @kot0305

July 2022 1 5 Report

решите В и Г
желательно на бумажке

Answers & Comments

jekadva

Verified answer

В)
2*(9-5x) + 4-9x = 4*3
18-10x+4-9x=12
22-19x=12
19x=22-12
19x=10
x=10/19

г)

2*(8x-5) - 5*(8-5x) = 17
16x-10-40+25x=17
41x-50=17
41x=17+50
41x=67
x=67:41
x=1 26/41

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