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чернаяметка
@чернаяметка
July 2022
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Помогите!!!!!
1)-6(x+2)=4x-17
2)(18x-19)-(4-7x)=-73
3)10x+3(7-2x)=13+2x
4)-3(4-5y)+2(3-6y)=-3.9
если можно с решением
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Answers & Comments
biidoo
1).-6х-12=4х-17. -6х-4х=-17+12. -10х=5. х=-0.5
2)18х-19-4+7х=-73. 25х=50. х=2
3)10х +21-6х=13+2х. 2х=-8. х=-4
4) -12+15у+6-12у=-3.9. 3у=2.1. у=0.7
3 votes
Thanks 4
Margo002004
в первом уравнении -10х=-5 , х=0,5
Margo002004
во втором 25х=-50 х=-2
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Answers & Comments
2)18х-19-4+7х=-73. 25х=50. х=2
3)10х +21-6х=13+2х. 2х=-8. х=-4
4) -12+15у+6-12у=-3.9. 3у=2.1. у=0.7