If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
(28/2)*m = 7 // - 7
(28/2)*m-7 = 0
14*m-7 = 0 // + 7
14*m = 7 // : 14
m = 7/14
m = 1/2
m = 1/2
| 4y^2-4y+16x^2+16x-11=0 | | 64+97+x+27=180 | | 75/3x=5 | | 5x-5-20=180 | | 4m-2n=8 | | 4n(3n^2+n-4)-n(3-n)= | | 6x-1=122 | | -7v+1=-20 | | 8-2(x+3)+x= | | Y=8.5x-2.5 | | 4a+3=7+6a | | E/2=3/2 | | 270=11-w | | 20=4w+2(w-8) | | 8x+2+70-60=180 | | 40+30x=50x | | 20=5x+5(x+8) | | 1,8/5,5=30/x | | 83.8=1/3*3.14*16*h | | 1,8/5,5=x/30 | | 33=7y+5(y-3) | | 5w+3=38 | | x+(x*.316)=22726 | | 13-5-15f=-19f-12 | | 8y=-7+4z | | 5,5/1,8=x/30 | | 3x*1/x | | 5,5/1,8=30/x | | z-3x=0 | | (X+40)+(3x+10)=180 | | N-2(n-3)=-5 | | h/2-4 |