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7/18 = 21/6
7/18 = 7/2
L <> R
| log27^1/3 | | Y=2*5+4 | | (3x+5)(5x+2)= | | u/10=1 | | -5n+-9=4n+2 | | -5n-9=4n+22 | | 8=x^2-12x+35 | | (3x-5)/21-(4x-7)/15= | | 2(x+7)=19+x | | -4x-2y-16=38 | | 11c=9 | | 10=1.5x-4 | | 9/32=12/40 | | 7/25=3.5/50 | | 5v+8=-7 | | 1.25t+.25=-0.14t+0.14 | | -4=2w+4 | | =0.875 | | 58=4v-10 | | 2a^2+a-40=0 | | 3+2x+7x=21 | | 8-4a=14-7s | | 5w+2-3w=10 | | 3x^4+4x^3+30x^2=0 | | 50.9/16=3/j | | -2y(y-5)=y+1 | | 2z=3(14-z)+3 | | 30n+7=205 | | 15+63x+7X^2-x^3=0 | | 4x+(3x-11)=10 | | 2y^2+y^2=6 | | x^2-520+3x=0 |