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x-(0.18*(x-749.94))-749.94-297.28+47+255.99 = 7500;x
x
x+y-15;30*x+50*y-490
1;4;1;3;0;0
5*x-(10*y)-15;5*x-(7*y)-4
1;12;1;4;0;0
| 3(3y*3y*3y-6)=27 | | 9x-3-20-8x=-10 | | 3(2x-1)=2(3x-2) | | 35=10logx | | m(x)=x+1 | | 240=12x+4y | | 250/130xx= | | 7w^2+2w-2=0 | | 10x^2+59x-6=0 | | 10x-8x=11 | | 6q^2-q=0 | | 3y-1=23 | | 180/n=63-51 | | -5/9-(-5/9)= | | -12x+48=3x-72 | | 3(9s+3)-19s=2(4s+6)-13 | | 3x+8y-7z=0 | | g^2-6=0 | | 2x+30+4x+2x+10=180 | | -2x^2=7x | | -8=x+5-1 | | 0.2-x=0.04 | | 5=9w+8 | | 3(-10)=2(2(-10)+7) | | 100+x^2=0 | | 12p+3=104 | | 3m+zr=r-7g | | 2xcos(2x)-x^2+4x-4=0 | | 2/5(6a-3)=1/7(5-9)-2 | | -2.2-m=13.2 | | -2.2-m=13.32 | | -2.2-m=13.3 |