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)
r/4 = -1 // + 1
r/4+1 = 0
1/4*r+1 = 0 // - 1
1/4*r = -1 // : 1/4
r = -1/1/4
r = -4
r = -4
| 1/5x+5x=7(18-x) | | 25/7x-10/8 | | 2+2/3x=5/6 | | 52/3x+45/8x | | 25=4+7/8x | | 7x-1y=-10 | | 7x+1y=-32 | | 8x+4y=-18 | | 6+(4+x)=6+4+x | | 5x+7y=-34 | | 4x^2+12=20 | | x^4-19x^2+60=0 | | 2xsquared-18=0 | | 75*75=60*60+a*a | | m-8-2=1half(m-2) | | 2xsquared-1=0 | | 9b^2-66b-48= | | 5(a-2)=2a+11 | | (2/5)x=30 | | 3x+15=48 | | 3x(X-2)=10 | | 1.3n=10.4 | | 8+(2/3)x-5=(1/3)x+17 | | 2y-24y=24 | | -4=-2s | | L=W+7 | | 3+5(1-k)-13k=2 | | 35,000+1680x=300,440 | | 3-5(1-k)-13k=2 | | 5y^2+7y+2=0 | | 7x-25=5x+13+6 | | 35,000+1680x= |