A) 3/4(X-5)+X=X B)7(X+2)-X=5(X-2) C)-(X-2)+3(X-1)+2=0

[latex]a)\frac{3}{4}(x-5) + x = x\\frac{3}{4}(x-5) = x-x\\frac{3}4}(x-5) = 0 |*4\\3(x-5) =0\\3x-15 = 0\\3x = 15 /:3\\x = 5[/latex] [latex]b)\7(x+2)-x=5(x-2)\\7x+14-x = 5x - 10\\6x-5x = -10-14\\x = -24[/latex] [latex]c)\-(x-2)+3(x-1)+2 = 0\\-x+2+3x-3+2 = 0\\2x+1 = 0\\2x = -1 /:2\\x = -frac{1}{2}[/latex]

a) 3/4x-15/4+x=x     3/4x-x+x=15/4     3/4x=15/4   /*4/3     x=15/3     x=5 b)7x+14-x=5x-10    7x-x-5x= -10-14    x= -24 c) -x+2+3x-3+2=0     -x+3x=0-2-2+3     2x= -1  /:2     x= -2