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)
-21/4 = (13/4)*n-n // - (13/4)*n-n
n-((13/4)*n)-21/4 = 0
(-13/4)*n+n-21/4 = 0
-9/4*n-21/4 = 0 // + 21/4
-9/4*n = 21/4 // : -9/4
n = 21/4/(-9/4)
n = -7/3
n = -7/3
| 3(2n+5)=5(n+5)+6 | | -v+5+6v=-1+5v+3 | | -2(5x-7)=-20 | | 1.7+d=21 | | 8-(x-5)=11 | | -6•(-7/2) | | 49-x*x*x*x=0 | | 7a-16=3+12+6 | | -2=3/x-3 | | 2(3x-6)=3(x-4) | | 5•1/5=x | | -3=2(-3)-9 | | 2x*22=64 | | -(-2+x)+1=-7-6x | | x=1x+1 | | x^2+4y^2+4x+40y+103=0 | | -4x-6=-94+7x | | 7+.20=5+.30 | | 3j-9=2(j-5) | | 4p+7=15+3p | | 6(3n+1)=9(9n+3)+7 | | 5(4a+8)=-31+7a | | 39.99+.44=44.99+.40 | | (2c^2+6c+4)+(5c^2-7)=equation | | 3.7=4.8+7.4x | | -3/2=k+2/4 | | -82=9x-1 | | 6x-1+2x-4=-29 | | 2(x-6)-9=0 | | 37x+x^2=226.6 | | 9j+3j-10=3(3j+j) | | 7+3(2g-6)=24 |