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)
16-(n/7) = 21 // - 21
16-(n/7)-21 = 0
-1/7*n-5 = 0 // + 5
-1/7*n = 5 // : -1/7
n = 5/(-1/7)
n = -35
n = -35
| xsquared+3x= | | 4x-1=2x+47 | | 40-2x=-7x | | 5r-3r+4=7r-r | | 13x^2-13x+9=x^2+6 | | (2-u)(3u-5)=0 | | 11=x/2+7 | | l=w+26 | | 6x-12y=60 | | 5w+8-12w=16-5w | | -2(v+1)=-5v-26 | | (3x-5)/(5x+1)=y | | -7=5x-19/-3 | | -5/4x+8 | | 15-(4x2/2)+5 | | -10x+5y=35 | | 5(x+4)-3=26-6x-9+11x | | -2+8(x-2)=16x+3-8x | | 26=6+X | | 1.40= | | 4/3=6/6x+1 | | 6(a-7)+20=4(a-4) | | 27.3x=75 | | 12x+20=7x | | (5x)/3-(x-5)/7=(x+5)/5 | | 12x+20=20x-35 | | 5S^3+5s^2+90=0 | | x^2-6x-50=0 | | 4picos(2pix)=0 | | 9.5=10y+15x | | 20X+2=4+X | | (x+7)(2x-3)=0 |