1. [latex] frac{1}{3} *(3x-2)=2 \ x- frac{2}{3}= 2 \ x=2+ frac{2}{3} \ x=2 frac{2}{3} [/latex] 2. [latex]5*( frac{x}{5} -3)=315 \ x-15=315 \ x=315+15 \ x=330[/latex] 3. [latex]x+ frac{3}{2}*8=x-3 \ x+12=x-3 \ x-x=-3-12 \ x eq -15[/latex] 4. [latex]4*(2x- frac{3}{4}) =53 \ 8x-3=53 \ 8x=53+3 \ 8x=56 /:8 \ x=7[/latex] 5. 2(x+7)=3(2x-5) 2x+14=6x-15 2x-6x=-14-15 -4x=-29 /:-4 x=7,25 6. 3*(x-5)+7=x+1 3x-15+7=x+1 3x-x=1+15-7 2x=9 x=[latex] frac{9}{2} [/latex] x=4,5
1/3(3x-2)=2 1/3·3/1x+1/3·(-2)=2 x-2/3=2 x=2+2/3=2 2/3 .......................................................................... 5(x/5-3)=315 5/1·x/5+5/1·(-3/1)=315 x-15=315 x=315+15=330 ........................................................................... x+3/2·8=x-3 x-x +24/2=-3 12≠-3 .......................................................................... 4(2x-3/4)=53 8x-12/4=53 8x=53+3 8x=56 /:8 x=7 ......................................................................... 2(x+7)=3(2x-5) 2x+14=6x-15 4x=29 /4 x=7,25 ......................................................................... 3(x-5)+7=x+1 3x-15+7=x+1 3x-x=1+8 /:2 x=4,5