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20/77 = (4/7)*n
30/x = 0.11*x
1/8-(y/9) = 5/72
(4*x)/9 = 8/15
-(i/5)-2 = 0
| x-2t=20 | | 20/77=4/7n | | 3x-2(-2x)-2=3(-x)-10 | | 2x-7=10x+25 | | 30/x=0.11x | | 9c-7c-2c+3c+3c=18 | | 2.50+1.75y=145 | | y+7=3(x-8) | | 6-z=15 | | 5x=-3x-10 | | 5j+j+4j+j-10j=9 | | 1/8-y/9=5/72 | | [(x-8)(x-8)]-36=0 | | .75x+1=-1 | | 6y-(-16y)+-15y=-14 | | v=(8x-4)(2)(2.5x) | | 4x/9=8/15 | | 27y+64= | | -21/2-3/4= | | 2x-(-13)=15 | | 0=-16t^2+150t+144 | | 13-x-13=19-13 | | 18+2u=u | | -2-i/5 | | 5/24-g=1/3 | | 0=12x-68 | | 3/4X-1=-1 | | 17-4h=9 | | 191=17-w | | 4b-(-2)=10 | | 62+8x=968 | | 3=12x-68 |