If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
6*n+4 = 2*n+40 // - 2*n+40
6*n-(2*n)-40+4 = 0
6*n-2*n-40+4 = 0
4*n-36 = 0 // + 36
4*n = 36 // : 4
n = 36/4
n = 9
n = 9
| -6b+6=4b+6 | | -2-3k=5k-2 | | 7k+10=-2k+100 | | 7b+9=33+4b | | 25=4x^2+16t | | 7x+5=5x-15 | | 4m+9=69-6m | | 5m-1=-1+2m | | 4-5m=2m-3 | | 6d+3=d+28 | | -3n+9=-63+6n | | t+7=35-3t | | 2.1p=0.84 | | -a+7=-33+4a | | -4t+3=t+3 | | -7b-4=-b+14 | | 2m+3=-13+6m | | -1-5n=-n+15 | | 2w+5=-4w+29 | | 3n-1=23-n | | -m+7=-13+4m | | 6+6a=2a+30 | | 3b+9=31+b | | -3a-2=54+5a | | -2k+5=89+5k | | (-4)-5(w+8)= | | -3x-3=2x+47 | | 7+5n=-7n+67 | | 7+5n=6n+5 | | 3x-6=-2+x | | 3k-9=-13+7k | | -5a+10=32-7a |