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7-(3/4) = 1/2
7-3/4 = 1/2
25/4 = 1/2
L <> R
| 15v-8v=49 | | 48m-9=192 | | 6m^2+7m-24=0 | | 2(2x+8)+9=7+2x | | m-7+3m=1 | | 24=4(X+7) | | 55+3y-8=90 | | 2x+4=2(-12)+4 | | sin^2(x)=-1 | | 25n-80=120 | | 4r-7.5-3r=-24.5 | | 2x(x+5)-x^2(3-x)=0 | | 12-4m+m=6 | | 6x+3=52 | | 5f=32-3f | | -5+10c=100 | | 4(2x+6)=96 | | 55(3y-8)=90 | | 5f=32-3r | | 3.5b-20=11.5 | | 42+2x=60 | | 7n-1=48 | | 2u^2+15u+47=0 | | 5u^5/40u^3 | | 5p^2-12=-11p | | 9x+1=25 | | x+5=-12+5 | | 7d-18=d | | 3.6x+3=12 | | 12=r/2-6 | | 4x^3y(-x^2y+2xy-5xy^2)= | | -15+10c=100 |