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12*x-(4*y)-290;12*a-4*z+110;x-a-20;z-y-40

43;36;1542;1200;0;0

N/7 = 30/42

(-4/3)*w = -7/10

10*x^2-(((2*x)/2)*x) = 0

| 3nsquare-147=0 | | q^3-21q+20=0 | | 2s^2+98=0 | | 4r^2+2r+25=0 | | 5-2xsquared(x+1)=6 | | 3(2x-1)=9(X+3)-2(X-1) | | 5-2xsquared(1+x)=6 | | 6x+3(-2x+4)=12 | | D(t)=16+15t-t^2 | | 6x+3(-2x+4)=4 | | -5[-9(-8+4)-2(7+3)]= | | 6x+3(-2x+4)=0 | | 2x-2=49-7 | | N/7=30/42 | | -4/3w=-7/10 | | 4(3x-y)-2(2y-5x)= | | 10x^2-2x/2x | | 5-2x(1+x)=6x | | 9x-5=47 | | 15x^2-25x-4=0 | | 1=abs(x+1)-abs(x-1) | | (5x-6)=69 | | 5(29+-1y)+2y=100 | | -24x-12+31x=-16 | | -24x-12+31x=16 | | 4x-2-2y=0 | | t^2-6t=-8 | | s(n)=11 | | -4=10(x+6)+2x | | 11k=13t-7k-2t | | 3-2.6+0.3y=70.8 | | y=-2xsquared+6x-1 | | 4/7÷20= | | -4(-6)=18-(-6) | | 5m+2m-2=3+m | | 4/7÷20 | | 5x-2(x+1)=49 | | 9+(-3)*7= | | 15x=-5x | | 1/4f-3=8 | | (2.5x+15)=5.75x+34.5 | | logN/log8=2/3 | | 2(x-5)+4=6 | | y=7.5(10)+30 | | 7/9*y-11/y | | 2(x-1)+3(x+1)=16 | | 19-15/-2 | | x+8x+11=29 | | 17943.85=X-(23X/100) | | -x^5=243 | | x^2-8x+15=0 | | 6n-2=13 | | (x/6)-(x/7)=(9/7) | | (x+2)(2x-5)= | | 13t*2t= | | F(x)=3x^2-8x+2 | | 5a+4b=17 | | -4x-2(x-1)=9 | | 3p-15+7p=15-5p | | M-2/3m | | 6/4=8/x | | 3x+3(x+1)=81 | | y=225 | | 10-9(5-(6+x))=19x-(x-10) | | 6x+2(-3x+8)=-4.5 |

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