If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
7*(6*k+8) = 14 // - 14
7*(6*k+8)-14 = 0
7*(6*k+8)-14 = 0
42*k+42 = 0
42*k+42 = 0
42*k+42 = 0 // - 42
42*k = -42 // : 42
k = -42/42
k = -1
k = -1
| 2(4k+5)=58 | | 7(-4x+3)=329 | | 6(-5m-3)=-318 | | 5(-8+4x)=0 | | 3(5-6d)=-129 | | 4(1x-2)=40 | | 2(5d+9)=18 | | 4(-4m+6)=-40 | | 3(6d+4)=-24 | | 2x-3(5-x)=35 | | 7(6d+5)=-343 | | 6(3a-5)=150 | | 3(2-7n)=-183 | | 2(6t-1)=-98 | | 2(6n-8)=-4 | | 5(2+4d)=250 | | 6(2-6k)=-168 | | 6(4-4a)=24 | | 7(-7m+1)=546 | | 4(1+6a)=-44 | | 3(2x+9)=45 | | 3(-4-w)=-42 | | 5(-1a-1)=55 | | 5(4b+5)=85 | | 4(7+3a)=88 | | 3(-6t-1)=-3 | | 4(6m-2)=-272 | | 7(-6a+4)=-266 | | 5(6+b)=-10 | | 2(7-2x)=11 | | 3X-14+6=29(6+18) | | 3(4-4a)=-132 |