Решите уравнения! 7x - (6x - 34 + 2) = 63 12-34-(16x-17x)+29=28
7x-(6x-34+2)=63 7x-6x+34-2=63 x+32=63 x=63-32 x=31 12-34-(16x-17x)+29=28 12-34-(-x)+29=28 7-x=28 x=28+7 x=35