2(X-½)-x+3=3 2x-1-x+3=3 x=3-2 x=1 3(1-x)-(1-2x)=9 3-3x-1+2x=9 -x= 9-7 -x=2 |*(-1) x=-2 0=3-(2x+1) 0=3-2x-1 -2x=-3+1 -2x=-2 |:(-2) x=1 0,5(2-4x)=3-x 1-2x=3-x -2x+x=3-1 -x=2 |*(-1) x=-2 12y-(y+5)=10y-1 12y-y-5=10y-1 11y-10y=-1+5 y=4 2(u-5)+15=3(u-4)+10 2u-10+15=3u-12+10 2u+5=3u-2 -u=-7 |*(-1) u=7 2x-½(3x-2)=7/4-x |*4 8x-6x+4=7-4x 2x+4x=7-4 6x=3|:6 x=½ 3⅓x+8=4 ⅖x-8 3⅓x-4⅖x=-8-8 3⁵/₁₅x-4⁶/₁₅x=-16 ⁵⁰/₁₅x-⁶⁶/₁₅x=-16 -¹⁶/₁₅x = -16 |*(-¹⁵/₁₆) x=15 (-½x+1)+3x/2=3 -½x+1+3x/2=3 |*2 -x+2+3x=6 2x=4 |:2 x=2
2(X-½)-x+3=3 2x-1-x+3=3 x=3-2 x=1 3(1-x)-(1-2x)=9 3-3x-1+2x=9 -x=9-2 -x=7 x=-7 0=3-(2x+1) 0=3-2x-1 2x=2 x=1 0,5(2-4x)=3-x 1-2x=3-x -2x+x=3-1 -x=2 x=-2 12y-(y+5)=10y-1 12y-y-5=10y-1 12y-y-10y=-1+5 y=4 2(u-5)+15=3(u-4)+10 2u-10+15=3u-12+10 2u-3u=-2-5 -u=-7 u=7 2x-½(3x-2)=7/4-x 2x-1½+1=7/4-x /*4 8x-6x+4=7-4x 2x+4x=7-4 6x=3 x=1/2 3⅓x+8=4 i 2/5x-8 10/3 x+8=22/5 x-8 /*15 50x+120=66x-120 50x-66x=-120-120 -16x=-240 x=15 (-½x+1)+3x/2=3 /*2 -x+2+3x=6 2x=4 x=2
