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)
550 = p/45+315 // - p/45+315
550-(p/45)-315 = 0
235-1/45*p = 0 // - 235
-1/45*p = -235 // : -1/45
p = -235/(-1/45)
p = 10575
p = 10575
| -6=-6b+5b+5 | | -8+6m-5m=3 | | 7w+10+4w=54 | | 4-2m+6m=52 | | -4k+8-2k=8 | | 7a-8+5a=-140 | | 4k+5-2k=-9 | | -4w+10+5w=16 | | -3=-2n+3n-7 | | 9-2x+3x=0 | | 4-4n+2n=0 | | -5-4n+7n=19 | | 7t-8+6t=-73 | | 2-n-6n=-26 | | 7b+7+b=95 | | -4=4t-3t-6 | | 70=4k+5k+7 | | -6t+9+2t=1 | | 45p+315=550 | | 3t+2+4t=-5 | | -t+8+6t=33 | | 8+6n-n=-27 | | -3-3k+4k=-15 | | 5k-9+7k=15 | | -9+7k-5k=-27 | | d+1+d=23 | | -4+5x+7x=-4 | | -d+3+4d=-27 | | 2+4d-7d=-7 | | 10+4n-3n=8 | | -51=-6t-2t+5 | | 4a-6+2a=30 |