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)
((-2/1)/7)*p = -3 // + 3
((-2/1)/7)*p+3 = 0
(-2/7)*p+3 = 0
3-2/7*p = 0 // - 3
-2/7*p = -3 // : -2/7
p = -3/(-2/7)
p = 21/2
p = 21/2
| 6+78=39x+9 | | 5x-8x-3x+7x^2= | | 7(12-2x)=4(3-3x) | | -2.4p=-7.2 | | 9p^2-24p+72=0 | | 3p+q=p | | 5/6r-1/6=4 | | (3r+3)(6r+1)=0 | | -2x^3+3x^2+10=0 | | h=-16t^2+32t+64 | | x(5-2x)+x^2=6 | | (n+5)(2n+2)=0 | | 54-5x=14-9x | | m/5-7=-2 | | w/8=25.6 | | 8d+4d-d-3=6d | | 3a^2-16a=-8-2a | | 4/111= | | 2x+7=-9-2x | | -14+5x=18x+4 | | 3x-20=x+9 | | f(x)=-2sin(x) | | 9a^2-81= | | (8-x)/3=5 | | 49a^2-4= | | 4c+9c+5=18 | | -14+5p=18p+4 | | 5x-3x=-5x+8x | | (5k-8)(2k+5)=0 | | x^4-7x^3-4x^2-112x-192= | | y=5sin(3t) | | 0.9x--8.1=2.7 |