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(2/5)/(-4/15)
2/5/(-4/15)
-3/2
| x/4-7=-7 | | n+n+0.6=n+2n+0.1 | | (8-7y)+9=1 | | 5x^4-48x^2+27=0 | | 192=6x+3y | | -4m(3n-60)= | | f(n)=6(3)n-1 | | 7x+18=5x-10 | | 78-24=7+x+28 | | x-0.5(3-x)=4.5 | | 15x-27+11x+13=180 | | (5x+6)-(3x+3)= | | 8x+2(x*1.5)=200 | | 32-(1/26)(4x)=24-(1/26)(3x) | | 4a+13b-2a+2b+25=0 | | -6x+7(2x-10)=-30 | | 5x-4=16-4x | | 4x-9=3x+52 | | D=2t^2-8t-9 | | 20a-16=(3-a) | | -4/7*91/56 | | 32-(1)/(26)(4x)=24-(1)/(26)(3x) | | Log*4(x+3)+log*4(5x-2)=3 | | (5/6)1/5 | | h(3)=5 | | 6j+4k=-46 | | 4y=118 | | -f(x)=3x^2+4x-2 | | 2z+3=56 | | 12p+2=-3 | | 4(3x-6)=8(x+1) | | 12p+2=0 |