—x -—=— 6 6 6 8 —- 9x = 4 -— 1 x 9 5 1 — (2x - 2) =— 2 x +3 4 5 y ——=+2 9 +—— y -2 3 5 0.8x -0.8=2.4-6.1x 3(x-9) +9(x+3) =10 8x -3(5+x) =-5 2.5x -8.5(x-9) =20
—(1+3x) =—(3x+2) 5 7 7 — x +—=— x 1 9 2 3 4 —+ 2x = 9 -— 1 x 5 9 1 — (7x + 9) =— 2 x +7 3 5 3(9x+9) =7 0.9x +0.3=3.6+7.2x 9(x+4) +2(x-5) =15 9x -4(17-x) =-9
——=2+—— 2 5 1 — (5 + 3x) =— 2 (5x + 4) 3 5 5 — x -—=— x 1 6 8 9 2 —- 8x = 5 +— 1 x 3 4 1.5x -9(x-1) =40 3(6x+8) =19 0.1x +0.4=0.2+6.4x 8(x-7) -3(x+2) =3
—(6x+9) =—x +4 9 5 y ——=-2 2 +—— y -2 3 5 1 — (2 - 3x) =— 2 (3x + 2) 5 5 5 — x +—=— x 1 6 8 9 4x +3(7-x) =-5 2x +6.5(x-9) =25 6(3x+7) =19 0.3x +0.7=6.1-3.3x
—+9x =1+—x 3 6 1 — (7x - 7) =— 4 x -4 4 5 y ——=-2 2 -—— y +2 4 6 1 — (5 + 4x) =— 2 (3x - 2) 3 5 8(x-5) +5(x+4) =19 7x +9(1+x) =-2 1.5x +3.5(x-4) =20 9(4x+8) =11
—x +—=— 9 2 9 2 —+ 5x = 5 +— 1 x 3 5 1 — (4x - 2) =— 2 x -3 7 5 y ——=+3 6 +—— y -3 3 6 0.2x +0.9=2.8-9.8x 8(x-7) +9(x+6) =9 6x +6(9+x) =-7 5x -7.5(x-7) =40
—(4+2x) =—(4x+2) 2 3 7 — x -—=— x 1 6 6 6 2 —- 9x = 4 +— 1 x 9 8 1 — (3x - 2) =— 3 x -3 8 5 6(4x+6) =2 0.1x -0.8=5.2+0.5x 9(x+4) -6(x-6) =16 8x +6(16-x) =-1
——=8-—— 2 6 1 — (1 - 2x) =— 2 (3x + 4) 2 3 7 — x -—=— x 1 6 6 9 2 —+ 5x = 6 +— 1 x 9 4 0.5x -4(x+9) =20 2(7x-2) =13 0.4x +0.1=3.7+5.7x 6(x+7) +7(x-1) =1
—(7x-9) =—x +4 5 5 y ——=+2 5 -—— y +3 2 5 1 — (5 + 3x) =— 2 (2x + 5) 6 7 7 — x -—=— x 1 9 8 9 4x +6(8-x) =-2 1.5x +0.5(x-3) =25 6(4x+3) =2 0.9x +0.4=6+5.5x
—-2x =1-—x 5 9 1 — (4x + 1) =— 1 x -1 7 5 y ——=-3 8 -—— y -2 4 5 1 — (3 - 4x) =— 2 (3x - 2) 3 7 2(x-1) +6(x+7) =13 8x -5(15-x) =-3 1x -9(x-2) =5 9(3x+1) =15
—x -—=— 6 6 6 8 —- 9x = 4 -— 1 x 9 5 1 — (2x - 2) =— 2 x +3 4 5 y ——=+2 9 +—— y -2 3 5 0.8x -0.8=2.4-6.1x 3(x-9) +9(x+3) =10 8x -3(5+x) =-5 2.5x -8.5(x-9) =20
—(1+3x) =—(3x+2) 5 7 7 — x +—=— x 1 9 2 3 4 —+ 2x = 9 -— 1 x 5 9 1 — (7x + 9) =— 2 x +7 3 5 3(9x+9) =7 0.9x +0.3=3.6+7.2x 9(x+4) +2(x-5) =15 9x -4(17-x) =-9
——=2+—— 2 5 1 — (5 + 3x) =— 2 (5x + 4) 3 5 5 — x -—=— x 1 6 8 9 2 —- 8x = 5 +— 1 x 3 4 1.5x -9(x-1) =40 3(6x+8) =19 0.1x +0.4=0.2+6.4x 8(x-7) -3(x+2) =3
—(6x+9) =—x +4 9 5 y ——=-2 2 +—— y -2 3 5 1 — (2 - 3x) =— 2 (3x + 2) 5 5 5 — x +—=— x 1 6 8 9 4x +3(7-x) =-5 2x +6.5(x-9) =25 6(3x+7) =19 0.3x +0.7=6.1-3.3x
—+9x =1+—x 3 6 1 — (7x - 7) =— 4 x -4 4 5 y ——=-2 2 -—— y +2 4 6 1 — (5 + 4x) =— 2 (3x - 2) 3 5 8(x-5) +5(x+4) =19 7x +9(1+x) =-2 1.5x +3.5(x-4) =20 9(4x+8) =11
—x +—=— 9 2 9 2 —+ 5x = 5 +— 1 x 3 5 1 — (4x - 2) =— 2 x -3 7 5 y ——=+3 6 +—— y -3 3 6 0.2x +0.9=2.8-9.8x 8(x-7) +9(x+6) =9 6x +6(9+x) =-7 5x -7.5(x-7) =40
—(4+2x) =—(4x+2) 2 3 7 — x -—=— x 1 6 6 6 2 —- 9x = 4 +— 1 x 9 8 1 — (3x - 2) =— 3 x -3 8 5 6(4x+6) =2 0.1x -0.8=5.2+0.5x 9(x+4) -6(x-6) =16 8x +6(16-x) =-1
——=8-—— 2 6 1 — (1 - 2x) =— 2 (3x + 4) 2 3 7 — x -—=— x 1 6 6 9 2 —+ 5x = 6 +— 1 x 9 4 0.5x -4(x+9) =20 2(7x-2) =13 0.4x +0.1=3.7+5.7x 6(x+7) +7(x-1) =1
—(7x-9) =—x +4 5 5 y ——=+2 5 -—— y +3 2 5 1 — (5 + 3x) =— 2 (2x + 5) 6 7 7 — x -—=— x 1 9 8 9 4x +6(8-x) =-2 1.5x +0.5(x-3) =25 6(4x+3) =2 0.9x +0.4=6+5.5x
—-2x =1-—x 5 9 1 — (4x + 1) =— 1 x -1 7 5 y ——=-3 8 -—— y -2 4 5 1 — (3 - 4x) =— 2 (3x - 2) 3 7 2(x-1) +6(x+7) =13 8x -5(15-x) =-3 1x -9(x-2) =5 9(3x+1) =15