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)
(3/5)*x-5 = 7 // - 7
(3/5)*x-7-5 = 0
3/5*x-12 = 0 // + 12
3/5*x = 12 // : 3/5
x = 12/3/5
x = 20
x = 20
| 5x^2+10x-21=-6 | | (x+30)+4x=180 | | 8-(6y+7)=6v-1 | | 2m-9=11 | | 2b+7=13-b | | 2x-140=35-5x | | 2p^2+16p+33=3 | | 8y+2=26 | | 21x^2-26xy-15y^2=0 | | 3(2b+1)+3b=30 | | 3a^2-6a-52=-7 | | 10a^2-14a+4=0 | | 12r=300 | | 3x^2-12x-55=8 | | 6r^2-15t=99 | | 4n-3=17-6n | | 2/5+2/x=1 | | 0=8a+8 | | x=0.04x^2 | | 2x-140=5x | | 8m+5=5m+11 | | 3x^2-6a-52=-7 | | 3+2d=15-2d | | -10x+5=65 | | 8v^2+16v+1=-5 | | C=pw+pforw | | 2y-3=(2y-3)2 | | C=pw+p | | 8x^-3y^-6/y^2 | | y=24+(-10) | | 11/4+y=33/8 | | 42x-7=462-x |