(200+y)*3+500=1400. (y+50)*2=400-100. (3500-x)*2=1000. x+5=(400-100):2 помогите пж плиз зам все балы. Created by BehaSmeha. matematika-ru

(200+y)*3+500=1400. (y+50)*2=400-100. (3500-x)*2=1000. x+5=(400-100):2 помогите ...

BehaSmeha @BehaSmeha

August 2022 1 9 Report

(200+y)*3+500=1400. (y+50)*2=400-100. (3500-x)*2=1000. x+5=(400-100):2 помогите пж плиз зам все балы

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piryazka

Verified answer

(200+у)*3+500=1400
600+3у+500=1400
3у+1100=1400
3у=1400-1100
3у=300
у=300:3
у=100

(у+50)*2=400-100
2у+100=300
2у=300-100
2у=200
у=200:2
у=100

(3500-х)*2=1000
7000-2х=1000
2х=7000-1000
2х=6000
х=6000:2
х=3000

х+5=(400-100):2
х+5=300:2
х+5=150
х=150-5
х=145

1 votes Thanks 2

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