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x in (-oo:+oo)
y = (a-3*x)/2 // - (a-3*x)/2
y-((a-3*x)/2) = 0
(-1*(a-3*x))/2+y = 0
(-1*(a-3*x))/2+(2*y)/2 = 0
2*y-1*(a-3*x) = 0
3*x-a+2*y = 0
(3*x-a+2*y)/2 = 0
(3*x-a+2*y)/2 = 0 // * 2
3*x-a+2*y = 0
3*x-a+2*y = 0 // - 2*y-a
3*x = -(2*y-a) // : 3
x = (-(2*y-a))/3
x = (a-(2*y))/3
x = (a-(2*y))/3
| 3x^2+32-11= | | 5-2x=-2x+5 | | -3[-x-4]=42 | | (3/x)=(17/19) | | 7.25+5.50r=105.50 | | (4x^2-3x-2x^3+3)-(2x^2-8x-2x^3+4)= | | (x+7)/(x-6) | | (y^2-7)(3y^2-8y+7)= | | 2/(x-4)=(-5)/(3x-12)+4 | | 2/(x-4)=-5/(3x-12)+4 | | 3x+6x=x | | 0.2=x^2/55-x | | 4p+5=3g | | 2u=-20 | | -8+u=-2 | | 8x^7-64x^5= | | -8+u=2 | | 178=19-u | | s^3-2s^2+7s-14= | | 7(6q+19)= | | r^2-4rf-45f^2= | | x^2+5-9=0 | | 6k^2-18k-18=6 | | 2/3-42= | | k^2+3k-12=6 | | 6x^2-6x+6y^2+10y=-5 | | -7/8x+24(24) | | k^2-11k+19=-5 | | 2a+3/3+2a=1 | | -3(4-6x)+x= | | 5p+215=c | | (2n+21)+(4n+15)=180 |