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kimalik333
@kimalik333
August 2022
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Решите уравнения
1)4(3х-2)=10х+15
2)2,8(3-х)=1,5(2-х)
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TARTILLO
Verified answer
Решите уравнения
1)4(3х-2)=10х+15
12x-8=10x+15 2x=23 x=23/2=11,5
2)2,8(3-х)=1,5(2-х)
8,4-2,8x=3-1,5x 1,3x=5,4 x=54/13=4 целых 2/13
1 votes
Thanks 2
AlinaSad8090
1) 12х-8=10х-15
12х-10х=-15+8
2х=-6
х=-3
2) 8,4-2,8х=3-1,5х
-2,8х+1,5х=3-8,4
-1,4х=-4,6
х=4
1 votes
Thanks 1
AlinaSad8090
1) 12х-10х=-15+8*
AlinaSad8090
-15+8**
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Answers & Comments
Verified answer
Решите уравнения1)4(3х-2)=10х+15
12x-8=10x+15 2x=23 x=23/2=11,5
2)2,8(3-х)=1,5(2-х)
8,4-2,8x=3-1,5x 1,3x=5,4 x=54/13=4 целых 2/13
12х-10х=-15+8
2х=-6
х=-3
2) 8,4-2,8х=3-1,5х
-2,8х+1,5х=3-8,4
-1,4х=-4,6
х=4