Теңдеуді шешініз//Решите уравнение
3х-15=х+3
7-3х=х+11
2(х+3)=х+13
4(5-х)=3х-1
3(х-2)=х+4
5(х-1)=4х+3
3х-15=х+3
7-3х=х+11
2(х+3)=х+13
4(5-х)=3х-1
3(х-2)=х+4
5(х-1)=4х+3
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Answers & Comments
х=9
2)-4х=4
х=-1
3) 2x+6=x+13
x=7
4)20-4x=3x-1
-7x=-21
x=3
5) 3x-6=x+4
2x=10
x=5
6)5x-5=4x+3
x=8