ответ:
3(2x-3)-5(x+4)=2(3x + 5) + 5x
6x-9-5x-20=6x+10+5x
6x-5x-5x-6x=10+9+20
-10x=39÷(-10)
x=-3,9
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ответ:
3(2x-3)-5(x+4)=2(3x + 5) + 5x
6x-9-5x-20=6x+10+5x
6x-5x-5x-6x=10+9+20
-10x=39÷(-10)
x=-3,9