If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
r/3+12 = 13 // - 13
r/3-13+12 = 0
1/3*r-1 = 0 // + 1
1/3*r = 1 // : 1/3
r = 1/1/3
r = 3
r = 3
| F(4)=z+9.5 | | 4y-6=5+4y-11 | | -4x+5(x-2)=-16 | | 16y-9y+16-196-9y+1= | | 6x-1.1=-5+6.6 | | 4x=874433-5*(x-3) | | x/5-15=-7 | | w/5=g | | 9times-4=176 | | -7x-2.4=6x-2.9 | | 2h+7=-1 | | 1/2s=4s21 | | 36+8x-10x=4 | | 225k+150=2000 | | -3x+5x=386 | | -60+7x=x+48 | | 2x^3-10x^2+12x= | | 25-10(-1)= | | 7=7(p+1)-2(3+5p) | | 14+4x=34 | | 16n+3n=7n+17 | | 2x-10=4-5x | | -x=9+3 | | 225k*3.50+150=2000 | | -10-b-2b=-13 | | 4n-4(-n-6)=88 | | 5x^2-30x+9=x^2-x+2 | | 3x-24=-18 | | 11x+66=-22x | | ab-5ab+13ab= | | 074335673358877744p=976345p | | -16=-3(8x+6)+10x |