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)
(1/4)*(m-80) = 200 // - 200
(1/4)*(m-80)-200 = 0
1/4*(m-80)-200 = 0
1/4*(m-80)-200 = 0
1/4*m-220 = 0
1/4*m-220 = 0
1/4*m-220 = 0 // + 220
1/4*m = 220 // : 1/4
m = 220/1/4
m = 880
m = 880
| 9=-28n/5-3(4n/5-2) | | 1/4(m-80) | | -7x+31=-8(4x-7) | | -7(-8-4x)-5=(1-2x) | | -2x+45=x+18 | | -12n+40=-128 | | a(9-7)=(9-7)a | | 1.8C+32= | | 5=-25k/2-3/2(-3k+2) | | 3y-2(y-1)=0 | | 2g+-24g+6g=1-g | | 2x-3y=5y-16 | | f(x)=4(-x)+5 | | 4d+5d-7=20 | | 2+x/-6=13 | | 5n+4+9= | | -3(5x+4)=32-4x | | (-9)-3= | | -4(-5x+4)=-36 | | 3x+6-2x=4-8 | | 4x+9=-8x-15 | | 2a-(3a-4)=0 | | 9y-9=24+9y | | 15x+14x= | | (4x^3)-2= | | 9h+-15h-6=6 | | X-18=31 | | 2x+7-15=0 | | 1/4(20+t)=30 | | 35/7/2 | | 7x-35=6x+30 | | 5m-45=m |