If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
2*(4*a+3) = -42 // + 42
2*(4*a+3)+42 = 0
2*(4*a+3)+42 = 0
8*a+48 = 0
8*a+48 = 0
8*a+48 = 0 // - 48
8*a = -48 // : 8
a = -48/8
a = -6
a = -6
| 7(-4k+6)=-182 | | 3(2+7a)=195 | | -2x-4=-9 | | 6-3(3x-2)=15 | | 2(-1)-3y=18 | | 4(5-b)=24 | | 6(-5+7d)=-30 | | 2(-2)-3y=18 | | 5(1a+6)=30 | | b-14.72=18.45 | | 4(4+3m)=16 | | 2(-5n+4)=-62 | | -20+x=x+16 | | 7(9+3m)=168 | | 4(-6t-1)=-148 | | 2(7-2t)=42 | | 3(9-2d)=3 | | df=g-10 | | 6(-2t+8)=-84 | | 7(-5+n)=-28 | | 4(2+a)=44 | | 6(2a+10)=96 | | 5(5+6n)=-215 | | 15a-54=-3 | | 7(-5+3k)=175 | | an=3+(n-1)(-5) | | (2x+10)=(86+x) | | 81=.5(9)h | | 76+x=180 | | X+7X-6=20 | | F(x)=-2x+2 | | 7(5w+8)=21 |