Решите уравнение: 10х-3(х-5)=1
10x-(3x-15)=1
10x-3x+15=1
7x+15=1
7x=1-15
7x=-14
x=-14:7
x=-2
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10x-(3x-15)=1
10x-3x+15=1
7x+15=1
7x=1-15
7x=-14
x=-14:7
x=-2