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x+y-50;0.8*x+0.9*y-40
15;2.4
(8)^(20)
(x-2)^2*(x^2-(2*x)-15) = 0;x
x
y-(3*x)-15;x-(5*y)+4
| 3sinx+tanx=0 | | 6(7-2p)+2=5(6-4p)+46 | | f(x)=x^3-1.2x+3 | | 14+2(3x-1)=3(x-8)+66 | | 4(x+24)+4(x+24)=16 | | (6n-5q)/11t | | -6(x+5)-5=-17 | | 2x=10-9 | | 3(3x+25)=4(x+15) | | y=x^3-4x^2-6x+9 | | 2.6x=31.2 | | 5(x-1)-14=11 | | (12+3x)*0.333333333333333=7(2-x)-2 | | 20-(.07x)=y | | X-6.5=8 | | 7(5d-14)=7(7d-10) | | 3.2+x=6 | | (12+3x)*0.3=7(2-x)-2 | | 2x-18=4y-4 | | 4(x+7)=19 | | 8(x-3)=15 | | 2x+5=199 | | 3y=ax+7 | | 3x+15=2x-23 | | x-4=11-3x | | 4x-(2x+5)=16 | | Sinx=0.89 | | 4-9n=23 | | 3(1)+2(2)=k | | 8x-2(x+2)=2(3x-1) | | 3x-5/7x-5=1/9 | | 2(m-2)+3(m+4)-m(2-1)=16 |