решите уравнение: 1)-2(x+3)-(-x-2)=3(-x+4)+3(x-5) 2)5(x-2)-3(x+4)=-2(x+2)-(x-3). Created by megasirotina. matematika-ru

решите уравнение: 1)-2(x+3)-(-x-2)=3(-x+4)+3(x-5) 2)5(x-2)-3(x+4)=-2(x+2)-(x-3)...

July 2022 1 2 Report

решите уравнение:
1)-2(x+3)-(-x-2)=3(-x+4)+3(x-5)
2)5(x-2)-3(x+4)=-2(x+2)-(x-3)

Answers & Comments

nastyaporhun 1)-2(x+3)-(-x-2)=3(-x+4)+3(x-5); 2)5(x-2)-3(x+4)=-2(x+2)-(x-3);
-2x-3+x+2=-3x+12+3x-15; 5x-10-3x-12=-2x-4-x+3;
-2x+x=12-15+3-2; 5x-3x+2x+x=-4+3+10+12;
-x=-2; 5x=21;
x=2. x=4,2.

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