If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
1-7*b = -83 // + 83
1-7*b+83 = 0
84-7*b = 0 // - 84
-7*b = -84 // : -7
b = -84/(-7)
b = 12
b = 12
| N+70=265 | | x+17+3x=-11-3x-14 | | -1/2-3 | | 5d+7/8=17/8 | | 1+3x=20/11 | | 4+6/7t=149/35 | | 2m+9=37/4 | | -1/6-6x=-145/6 | | -w-1/4=47/4 | | 2/5d-6=-22/5 | | (-8)-(-3)= | | 8/4=7x+3(-4x) | | -4/5d+6/7=366/35 | | -1/3t+1=8/3 | | -2/3m+9/10=-53/30 | | 1/4d+1=35/44 | | 5x-4/5=171/5 | | 1/4-3t=-65/28 | | 1/4-7n=225/4 | | 2x^5+12x^4+16x^3-12x^2+18x=0 | | u+15=4 | | -7m+1/3=-2 | | abc=V | | 6w+9/10=249/10 | | 7b+8=19/5 | | 4+4b=5/3 | | 1/3-1/3b=3/11 | | 10=8x-22 | | 5/7t+5=75/14 | | P+31=52 | | 4/5x=36 | | 6m-47=-6m+6(2m+3) |