If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
(5/3)*r+15 = -15 // + 15
(5/3)*r+15+15 = 0
5/3*r+30 = 0 // - 30
5/3*r = -30 // : 5/3
r = -30/5/3
r = -18
r = -18
| 7(1+4n)+6(1+4n)=13 | | 100(23980)= | | 3m+14=13-26m | | 2/3/3/7 | | -3n+6+7n=6 | | -4(5x-3)=-108 | | 9/2+1/3t=7 | | 24/5/6 | | y=1/4(4)-4 | | 3+FISH= | | 4x+18-3x=-2-11 | | 1/7(2x-5)=3 | | 100(0.06x+0.10(2x+24000))=100(23980) | | 6y+3=8y-5 | | (a^4+3a^3+2a^2)/4a^2 | | 100(0.06x+0.10(2x+24000))= | | 0.71+0.23t=2.58t-0.23 | | (3-4i)/(5+3i)=0 | | 6+5=5+8+2 | | 3(3-x)-19=17x-5(2+4x) | | (3-4i)/(5+3i) | | 4x-.5=x+10 | | 18*6= | | 5(x-6)+2=7(x+2)-6 | | 5+10c=10c | | .51x-5.04=-.09x | | 3/4+x=x+12 | | 48-x=4(7x) | | 4x-17=2x-1 | | y=4(-1)+16 | | 48-x=4x(7x) | | 48*6= |