If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(1/4)*x+(3/4)*y = 1 // - 1
(1/4)*x+(3/4)*y-1 = 0
1/4*x+3/4*y-1 = 0 // - 3/4*y-1
1/4*x = -(3/4*y-1) // : 1/4
x = (-(3/4*y-1))/1/4
x = 4*(1-(3/4*y))
x = 4*(1-(3/4*y))
| 3(7x+7)=21x+21 | | -7(3+r)=14 | | 425x+35=850x+10 | | 2n-4n-5=13 | | 6t-14=40 | | x/5=x-24 | | 3-5t-1=6t-5 | | 7x-10= | | x*x+3x-10=0 | | -17/55+d=28/55 | | 9(-6+x)=x+26 | | (7z^4/4)^3 | | U^2+20U-224=0 | | 5x-5+3x=-13 | | 4+12/6=j | | 3/5=24/40 | | 10x+-3=1x+15 | | -2/4(4) | | 1400=5t^2+5t+7 | | 2/4=9/n | | 2y^2+12y+3=0 | | 9x+9=9(x-8) | | .08-.01(x+2)=-.03(2-x) | | 2/5=n/20 | | 48+3c=0+7c | | 3-6z=27 | | 4x^2+12x+20=0 | | 48+3c=0+7 | | 15/5(9-5) | | 12-30/6=g | | 3/n=4/12 | | 27-8/11-12 |