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)
54/63 = n/49 // - n/49
54/63-(n/49) = 0
6/7-1/49*n = 0 // - 6/7
-1/49*n = -6/7 // : -1/49
n = -6/7/(-1/49)
n = 42
n = 42
| 15n^2-82n+99=0 | | F(x)=5-1.5x | | 5t^2-1.2t-6=0 | | 6(u+8)=6-7(2u-6)+9u | | 8x+56=-8 | | 2(x+3)-5=-3 | | 7(-7)-2(1)+3= | | X/20-2=43 | | s-19=-37 | | D=KPwhatisp | | -(6a+9)-3(a-8)= | | -7x-6(x+3)=-109 | | X-3x=3x | | 4=8k | | (x-18)+(x-1)=x | | t/5=30 | | 4/a=7/7/2 | | -1+7(8)= | | 1/4/20=1/x | | -5(17x+22)=-39(19-2x) | | 1.2z+12=-2.4 | | 3p/4=72 | | -28p+4=-108 | | 4(y+5)=8 | | 9=n/6 | | 65x+825=1800 | | 2=11+[m+3] | | -6(9)-5(5)= | | 3w+10=2 | | 14+8x=-3(-8x+6) | | 9x=6+2 | | m/-3=-23 |