If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
3*x = 51/2 // - 51/2
3*x-(51/2) = 0
3*x-51/2 = 0
3*x-51/2 = 0 // + 51/2
3*x = 51/2 // : 3
x = 51/2/3
x = 17/2
x = 17/2
| x^2+2X^2-300=0 | | 3(3x+5)=7x+5 | | 3/x+7x=x/7 | | 5x+34=-2(1-7n) | | 0.1(7)+x=0.6(7+x) | | 14c=7/12 | | xa-7=bx+4 | | 9x+6=7x+36 | | (x+3)4=10 | | 5*(4-6)-(7*2+4)/6 | | 8*4-4*6+5= | | -20/(-2)= | | Y=4-3*-4/3 | | 3y-7=11y+57 | | -4(x-11)=16 | | -3*(16-6)+(8*5+4)/4 | | (1+-4x)(3+-4x)=0 | | 12x+6=0 | | 12-5u=22+2u | | 12y^2-28y+16=1 | | 18-2*3= | | 30-18u=-4u-12 | | x+x-3+x+2=32 | | 2+4*(6-3)= | | 3/20x=5 | | 235=182-v | | Y=8x^3 | | 0.09(t+50)+0.15t=52.5 | | 15n-4=56 | | 50-3y=25 | | 3(-9x-2)-5x=-4 | | 30-22u=-12 |