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)
y = (-1/5)*x+7 // - (-1/5)*x+7
y-((-1/5)*x)-7 = 0
(1/5)*x+y-7 = 0
1/5*x+y-7 = 0 // - y-7
1/5*x = -(y-7) // : 1/5
x = (-(y-7))/1/5
x = 5*(7-y)
x = 5*(7-y)
| 6n-3=n+17 | | 5x+6=9x+30 | | y=z/15 | | x=-0.8 | | b+a=8 | | 8x+(5x)=-21 | | 8s=p | | m=n-12 | | x(x-5)-x(x+4)=-63 | | 10x+15y=600 | | 18x+13=13x-23 | | 3(x+3)-2(x-3)=x+1 | | 9x^2+16x+64=88 | | 2x+3x+x=30 | | 9+7n=58 | | 8y-3=2y+3 | | 12-5x+11=10-5x | | 7x+11-3x=47-2x | | (4x^2y)(3xy^3)=0 | | 80+x=(3x-22) | | 7-(12-6x)=4x-5+2x | | 6t+-6t= | | 6x-7=11x+18 | | H+(H-6)=30 | | c=5/9(5-32) | | 3.2(5.3+3.1r)+2.67r= | | 5x-(3x+6)=16 | | 3(x+2)=5(x-1) | | 0=x^3-8 | | 2y+11.4=2.6-2.6-0.2y | | 3x-5=2(x+3)-1 | | 2x^2-12x+10=X |