a) 3(x-2)-x=5x+2 b) 1/2x+4(x-2)=x c) 2x-3=5(x+2)-1 d) 2/3x+1/2=1/6-x
a) 3(x-2)-x=5x+2
b) 1/2x+4(x-2)=x
c) 2x-3=5(x+2)-1
d) 2/3x+1/2=1/6-x
a)3x-6-x=5x+2; 2x-5x=2+6; -3x=8 II (-3); x=-8/3=-2 i 2/3; b)1/2x+4(x-2)=x; 1/2x+4x-8=x; 1/2x+4x-x=8; 1/2x+3x=8; 3,5x=8 II 3,5; x=8/7/2; x=8*2/7; x=16/7=2 i 2/7; c)2x-3=5x+10-1; 2x-5x=10-1+3; -3x=12 II (-3); x=-4; d)2/3x+1/2=1/6-x II 6; 4x+3=1-6x; 4x+6x=1-3; 10x=-2 II 10; x=-0,2.