-6x-5=4x -7x+8=9x -9x-8=-8x -5x+2=-10x 3=4(x+2)
-6x-4x=5 -7x-9x=-8 -9x+8x=8 -5x+10x=-2 3=4x+8
-10x=5 -16x=-8 -1x=8 5x=-2 4x=3-8
x=-10:5 x=-16:(-8) x=8:(-1) x=-2/5 4x=-5
x=-2 x=2 x=-8 x=-5/4
9=5(x+9) 9(x+7)=-x 4(x+6)=x
20x+45=9 9x+63=-x 4x+24=x
20x=9-45 9x+x=-63 4x-x=-24
20x=36 10x=-63 3x=-24
x=36:20 x=-63/10 x=-24:3
x=9/5 x=-8