2x-(2-(x+3))-(2+(x-(5-6x))) Решите буду оч рада
2X-(2-(X+3))-(2+(X-(5-6X)))=(10X-2+3)-(2+5)=(10X-5)-(2+5)=(10X-5)-7=10X+(-15)=10X-15
(2x-(2-x-3))-(2+(x-5+6x))=(2x-2+x+3)-(2+x-5+6x)=3x+1-(7x-3)=3x+1-7x+3=-4x+4=4-4x