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Марина124
@Марина124
August 2022
2
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Решить уравнения: 18 * (-х) * (-5) = 45 * (-3)
-8 * 0,25 * х = -3,2
(-1) * 0,7 * (-х) = (-35) : 0,5
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Незнaйкa
1)90x=-135
x=-135:90
x=-1,5
2)-2х=-3,2
Х=-3,2:(-2)
Х=1,6
3)0,7x=-70
x=-70:0,7
x=-100
1 votes
Thanks 5
suzzy32yer
1) 18/5х=-15
5х=-15/18
х=-1/6
2)-2х=-3,2
х=3,2/2
х=1,6
3)0,7х=-70
х=-70/0,7
х=-100
0 votes
Thanks 1
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Answers & Comments
x=-135:90
x=-1,5
2)-2х=-3,2
Х=-3,2:(-2)
Х=1,6
3)0,7x=-70
x=-70:0,7
x=-100
5х=-15/18
х=-1/6
2)-2х=-3,2
х=3,2/2
х=1,6
3)0,7х=-70
х=-70/0,7
х=-100