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8/9 = 12/18
8/9 = 2/3
L <> R
| s*5-23=27 | | 3+6y=12 | | X^2-2s-35=0 | | 8x-8=9x-3 | | a-6=8-9(9ta) | | f(r)=r | | 6-(3z-4)=2-4z | | 3/8=12/n | | t/6-8=14 | | (1/2)x-5=25 | | 12r^2s^2/-4rs | | 4(1+k)=8 | | 5(4x+9)=-15 | | 4-2x=-4x+9 | | -2(10+4n)=-3n+8-n | | y=.639(R*C) | | b-8=-23 | | 3r+4(-4+2r)=8-r | | (27x^12)^1/3 | | -14k=196 | | 6x-10=8y | | 2/3(x-1/9)=-2/3(y-1/6) | | 5-6y-27y^2=0 | | 3x+7=x-10 | | 12x-6+3x-4=11x-2+3x | | 17-20m=(-13-5m)4 | | 40x^2=33x-5 | | x/4-=3 | | 4.5(3y)=12 | | 3-(2x+7)=18 | | 3+2+8=350 | | 36+2n=-3(2n+8)-2n |