найдите корни уравнений
а)9(x-1)=x+15
b)(11x+14)-(5x-8)=25
в)12-4(x-3)=39-9x
г)2(3x+5)-3(4x-1)=121
а)9(x-1)=x+15
b)(11x+14)-(5x-8)=25
в)12-4(x-3)=39-9x
г)2(3x+5)-3(4x-1)=121
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Answers & Comments
8x=24
x=3
в)12-4x-12=39-9x
5x=39
x=7,8