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4/9 = 25/15
4/9 = 5/3
L <> R
| 900+5+900+65219a=5 | | 7/x-14=14/x-7 | | 3x+35=20 | | 3(2f-2)=7(3f+2) | | 4(x-1)+5x=7x-12 | | 10x-8=3(5x-6) | | 3X-8=X-32 | | 4c-2c= | | 3x+4x+1x+7=10x | | 6c^2+8c= | | 1/4w-1/3=14/3 | | 3(2x-6)=4x-10 | | 0.15=1+(x-0.15) | | -3x-19=-49 | | 3x+1=5(x+2) | | 1/2m-1/4=11/4 | | 4x+3y=26.5 | | 1/6x-3=0 | | 4x+5=x+25 | | f(2a)=x^2-4+5 | | 17*29/46-x=404 | | 62+2x+9= | | 2x+3=8x+5 | | 5.5L+L=45.15 | | 2x+7+43= | | x+30+110= | | 11z=40+(7x+4) | | 4p+3=12.75 | | (2x^4)/12=0 | | 2x-17x+25=3 | | x+x+(x*2-1)=31 | | (4a-9b)+(6a-4b)= |