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4Sofi4
@4Sofi4
August 2022
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Помогите пожалуйста с уравнениями:
а)2(x-3)+15=3x+7;
б)-18(2x-1)=36;
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nainsi
A) 2x-6+15=3х+7
-х=-2
х=2
б) -36х+18=36
-36х=18
х=-1/2
0 votes
Thanks 0
Kop2002
2x-6+15=3x+7
2x-3x=6-15+7
-1x=-2
x=2
б) -36x+18=36
-36x=36-18
36x=-18
x=-18:36
x=-0,5
1 votes
Thanks 1
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Answers & Comments
-х=-2
х=2
б) -36х+18=36
-36х=18
х=-1/2
2x-3x=6-15+7
-1x=-2
x=2
б) -36x+18=36
-36x=36-18
36x=-18
x=-18:36
x=-0,5