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)
5*a-7 = 29-7*a // - 29-7*a
5*a-(-7*a)-29-7 = 0
5*a+7*a-29-7 = 0
12*a-36 = 0 // + 36
12*a = 36 // : 12
a = 36/12
a = 3
a = 3
| 6a-3=46-a | | -7k+8=20-k | | 4+w=7w-20 | | 3b-2=7b-22 | | 3a+3=2a+9 | | -2d+5=2d-35 | | -5t-10=-6t-7 | | 7-3m=7m+87 | | -8+6d=-7d+5 | | -4d-6=-6-7d | | -2d-7=-5d+29 | | 25-6+(8x-6)=7x+ | | 25-6+(8x-6)=7x | | -4d+1=-d-23 | | 5n-5=4n-2 | | -d+4=-50+5d | | 4+n=4n+37 | | 6a+7=a-8 | | 6t+8=7t+12 | | 4b+5=3b-2 | | -11x-44=-33x | | 7x-8=-3x+62 | | -2b+3=6b-5 | | -7n+5=-23+7n | | 7n+2=-4n+68 | | -5b+2=5b-48 | | -9+b=-4b-14 | | 3x+6=-50-4x | | 4-7k=4k-128 | | 6a+6=-6a-114 | | 2x+4=-29-x | | t+8=4t-13 |