If it's not what You are looking for type in the equation solver your own equation and let us solve it.
P in (-oo:+oo)
P/3 = 3.5 // - 3.5
P/3-3.5 = 0
1/3*P-3.5 = 0 // + 3.5
1/3*P = 3.5 // : 1/3
P = 3.5/1/3
P = 10.50000011
P = 10.50000011
| 2m-17=13 | | 15-43=3(x-4)-4 | | 2*(z+1)=10 | | 4y-3=3y+7 | | (2x-8)+(5+4x)= | | (6+y)(3y+5)=0 | | 3/4(x-7)=8 | | y=490-8(23) | | y=330-25(0) | | 15-3y-7+6y=18-3y-5-3y | | 4m^2-m(2-m)= | | 15-y-7+6y=18-3y-5-3y | | (X/12)4 | | 5/p3 | | 15-2y-7+6y=18-3y-5-3y | | 8y+12+4+10y=3y+46 | | https://static.k12.com/eli/bb/615/7072/0/2_33375_40063/7072/3047b51daa5be9dad08828ad530d52e67430722b/media/37c03ce462908d765c6e729f453f4d3b2548a9be/mathml_6a04a566e1a07ef8bf82647a502fddbe69e5af7c_1.gif | | 20+5z-11=z+25+2z | | 5-2(h-5)=3h | | 150=2x+(2x*1.5) | | 7x+7=14x-7 | | -8n+2n=18 | | 6/3=n/9 | | 1/3b-1/2=3/5 | | 5x+2-729=0 | | 15/8=x/14 | | 2-15=z/-6 | | 6c+12.3= | | 4/9=22/x | | -4m^2-4m+2=0 | | 11w-16w=25 | | -7x+3x+14=34 |