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)
(2/7)*b+2*b-2 = 50/7 // - 50/7
(2/7)*b+2*b-(50/7)-2 = 0
(2/7)*b+2*b-50/7-2 = 0
16/7*b-64/7 = 0 // + 64/7
16/7*b = 64/7 // : 16/7
b = 64/7/16/7
b = 4
b = 4
| -2+2/3n=-10 | | -2+2/3b=-4/3 | | -2+1/7x=-55/28 | | -2+1/5k=-4/5 | | -2+1/3n-3/7n=-214/105 | | -2+1/2m=-17/10 | | -2+1/2d=1 | | -17=m-6 | | -15=d-8 | | -14=-t-3t-10 | | -13=d-2 | | -13=4t+7t-7 | | -13=-5n+7n+1 | | -12=w-1 | | -12=t-1 | | -12=n-10 | | -12=5a-2a+9 | | -12=3b+6b+6 | | 3(3x-1)-2(x-6)=23 | | 5x+4y=121 | | -12=-4b+b-9 | | -12=-3n+n-6 | | -12=-2n-7n-3 | | -11=t-8 | | -11=m-10 | | -11=k-10 | | -11=6t-7t-8 | | -10=k+1 | | -10-x-6x=-146/9 | | -10-n+4n=-104/11 | | -10-b-b=-67/6 | | -10-7m=-17 |