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tanyaivanova890
@tanyaivanova890
May 2021
1
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Решите уравнения срочно,пожалуйста
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Juliaa21
1,
а)х-2,5=6,5
х=6,5+2,5
х=9
б)5,6+y=-4.5
y=-4.5-5.6
y=-10.1
в)2,3+х=-5,3
х=-5,3-2,3
х=-7,6
г)y-4.9=2.9
y=2.9+4.9
y=7.8
2.
a)-2x=0.8
x=0.8:(-2)
х=-0,4
б)2,5y=-10
y=-10/2.5
y=-4
в)3х=2
х=2/3
г)-1,2y=0.6
y=0.6/(-1.2)
y=-0.5
д)-5х=10*2
-5х=20
х=20/(-5)
х=-4
е)-7х=14*3
-7х=42
х=42/(-7)
х=-6
2 votes
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Answers & Comments
а)х-2,5=6,5
х=6,5+2,5
х=9
б)5,6+y=-4.5
y=-4.5-5.6
y=-10.1
в)2,3+х=-5,3
х=-5,3-2,3
х=-7,6
г)y-4.9=2.9
y=2.9+4.9
y=7.8
2.
a)-2x=0.8
x=0.8:(-2)
х=-0,4
б)2,5y=-10
y=-10/2.5
y=-4
в)3х=2
х=2/3
г)-1,2y=0.6
y=0.6/(-1.2)
y=-0.5
д)-5х=10*2
-5х=20
х=20/(-5)
х=-4
е)-7х=14*3
-7х=42
х=42/(-7)
х=-6