If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
a+15/3 = 9 // - 9
a+15/3-9 = 0
a-4 = 0 // + 4
a = 4
a = 4
| -5x^2+15x-12=-2 | | 27-(2c+4)=2(c+4)+c | | -6=-8k+5k | | (5-x)^2(x-13/2)=0 | | x+7y=9 | | -4+21x=4+24x | | 16-11= | | 2x+x+2=20 | | 1/2y-3=5 | | -3v-6v+15=-8v+8 | | 8y-3=9y+17 | | 8-2x+6x=20 | | BY=x | | -8m+7m=4 | | -40=8-6a | | -10+5x=-2x+25 | | x^2+4x+9=5 | | -47=-5(2n+3)+6(n-2) | | 4(b-6)=3(b+1) | | 200+.4=450 | | z/2+5=9-z/2 | | 6x-3+5=4x | | 20x^3-12x^2+35x-21= | | 5x^3-45x^2+70x= | | 8m+9=2m-3 | | k/9=11 | | -12+4c=6c(19+13) | | 5x-12+2x=10x+12-6 | | 8y-8x(-31+5y)=-8 | | 26=x/3+6 | | -2.1+.3+(-1.7)+(-.4)= | | 4(x-6)+6=6x+8 |