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Aysun205
@Aysun205
July 2022
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cрочно плиззз срочно плиззз
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hadusya
А) 5х-15-2х+14+14х+42=7
5х-2х+14х=7-42-14+15
17х=-34
х=-34:17
х=-2
б) 11у-44+50-30у-12+9у=-6
11у-30у+9у=-6+12-50+44
-10у=0
у=0:(-10)
у=0
в) 40z-5-28z-7+56-32z=9
40z-28z-32z=9-56+7+5
-20z=-35
z=-35:(-20)
z=1,75
г) 30х-20-15х-6+55-20х=25
30х-15х-20х=25-55+6+20
-5х=-4
х=-4:(-5)
х=0,8
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Answers & Comments
5х-2х+14х=7-42-14+15
17х=-34
х=-34:17
х=-2
б) 11у-44+50-30у-12+9у=-6
11у-30у+9у=-6+12-50+44
-10у=0
у=0:(-10)
у=0
в) 40z-5-28z-7+56-32z=9
40z-28z-32z=9-56+7+5
-20z=-35
z=-35:(-20)
z=1,75
г) 30х-20-15х-6+55-20х=25
30х-15х-20х=25-55+6+20
-5х=-4
х=-4:(-5)
х=0,8