Proszę pomocy tylko szybko daje 120 pkt. Oraz naj!!! Proszę potrzebne na już!!

3x+6=9 3x=9-6 3x=3 x=1 5 = 3 + 7x -7x = 3 - 5 -7x = -2 x = 2/7 1/2x = 11 x = 22 4/9 x = 1/3 x= 3/4 1/3 x +1=5 1/3x = 5 - 1 1/3x = 4 x =12 3x + 5 = 2x 3x - 2x = -5 x = -5 x = -2x x + 2x = 3x 4 - x = 1,3 -x = 1,3 - 4 -x = -2,7 x = 2,7 -x - 3 = x - 4 -x - x = -4 + 3 -2x = -1 x = 0,5 8,3 - 2x = 0,5 -2x = 0,5 - 8,3 -2x = -7,8 x = 3,9 1/2x = 1/3 x - 1 1/2x -1/3 x  = -1 1/6x = -1 x = -6 1/2x - x = -1/2 x -x + 1/2x = 1/2 -1/2x = 1/2 x = -1 1/2 x + 1/5x - 1/10x = 2 1/2x + 1/5x - 1/10x = 2 0,8x = 2 x = 2,5  

[latex]a). \ x+7=10 \ x=10-7 \ x=3[/latex] [latex]b). \ x-1=6 \ x=6+1 \ x=7[/latex] [latex]c). \ 3x+6=9 \ 3x=9-6 \ 3x=3/:3 \ x=1[/latex] [latex]d). \ 5=3+7x \ -7x=3-5 \ -7x=-2/:(-7) \ x= frac{2}{7} [/latex] [latex]e). frac{1}{2} x=11/*2 \ \ x=22[/latex] [latex]f). \ \ frac{4}{9} x= frac{1}{3} /*9 \ \ 4x=3/:4 \ \ x= frac{3}{4} [/latex] [latex]g). \ \ frac{1}{3} x+1=5/*3 \ \ x+3=15 \ \ x=15-3 \ \ x=12[/latex] [latex]h). \ 3x+5=2x \ 3x-2x=-5 \ x=-5[/latex] [latex]i). \ x=-2x \ x+2x=0 \ 3x=0/:3 \ x=0[/latex] [latex]j). \ 4-x=1,3 \ -x=1,3-4 \ -x=-2,7/*(-1) \ x=2,7[/latex] [latex]k). \ -x-3=x-4 \ -x-x=-4+3 \ -2x=-1/:(-2) \ x= frac{1}{2} [/latex] [latex]l). \ 8,3-2x=0,5 \ -2x=0,5-8,3 \ -2x=-7,8/:(-2) \ x=3,9[/latex] [latex]m). \ \ frac{1}{2} x= frac{1}{3} x-1/*6 \ \ 3x=2x-6 \ \ 3x-2x=-6 \ \ x=-6[/latex] [latex]n). \ \ frac{1}{2} -x=- frac{1}{2} x/*2 \ \ 1-2x=-x \ \ -2x+x=-1 \ \ -x=-1/*(-1) \ \ x=1[/latex] [latex]o). \ \ frac{1}{2} x+ frac{1}{5} x- frac{1}{10} x=2/*10 \ \ 5x+2x-x=20 \ \ 6x=20/:6 \ \ x= frac{20}{6} \ \ x= frac{10}{3} \ \ x=3 frac{1}{3} [/latex]