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NAsik233211452
@NAsik233211452
July 2022
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Помогите решить уравнение пожалуйста
0,4(x-9)-0,3(x+2)=0,7
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anmih
Verified answer
0,4(x-9)-0,3(x+2)=0,7
0.4x - 3.6 - 0.3 x -0.6 = 0.7
0.1x - 4.2 = 0.7
0.1x = 0.7 + 4.2
0.1 x = 4.9
x = 4.9 : 0.1
x = 49 : 1
x = 49
1 votes
Thanks 0
ArgentumV
0,4(х-9)-0,3(х+2)=0,7
0,4х-3,6-0,3х-0,6=0,7
0,1х-4,2=0,7
0,1х=0,7+4,2
0,1х=4,9
х=4,9/0,1
х=49
0 votes
Thanks 0
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Answers & Comments
Verified answer
0,4(x-9)-0,3(x+2)=0,70.4x - 3.6 - 0.3 x -0.6 = 0.7
0.1x - 4.2 = 0.7
0.1x = 0.7 + 4.2
0.1 x = 4.9
x = 4.9 : 0.1
x = 49 : 1
x = 49
0,4х-3,6-0,3х-0,6=0,7
0,1х-4,2=0,7
0,1х=0,7+4,2
0,1х=4,9
х=4,9/0,1
х=49