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4*x^2-(4*x^2) = 1-16-5;x
x
6*(x+1) = 2-(3*x);x
x
5^x+2^x
(sin(x))^x
(x-5)*(x+5) = x^2-(100*x);x
x
| 15x+3(2x-7)-9(4+5x)= | | 11/2=x/20 | | 5x-6=119 | | 9999999999999999+9999999999999= | | 2(3y+2)=32 | | x^2+327.6xy-973169.56y^2-1000000=0 | | 4x+7=-10+2x | | 4x+7=19+2x | | 2x+6x-1=10x-47 | | 2x+10-3x=10 | | 4x-19=3x+7 | | A(x)=(x-2)(-3x-9) | | x(x+5)=4-15 | | 4(x-2)-16=6(x-2) | | 2x+4=x+32 | | 5(2x+6)x=4 | | (-3x+4xy)-(2x-4xy)= | | 3wx-4v=4x | | 12x+9=52 | | 3h-2(1+4h)+7= | | a+(-2)=5 | | y+(-9)=-14 | | c-(-5)=1 | | v+1=5 | | a-(-3)=1 | | R=7x+4y | | 3(3x+5)x=5 | | 2(x-1)-1=1/2x-6 | | 7/12x10/7 | | 4+5z-6z^2=0 | | 14c-23=65 | | -x-2y=-x |