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)
(2/5)*(x+3) = 0
2/5*(x+3) = 0
x+3 = 0 // - 3
x = -3
x = -3
| 8*7x=70-25 | | 2(x-1)=6(2x+2) | | 2x+y=x+2y | | 8=4+2h | | 152x+35y+23=-56x+32y | | (2x-3)(3x+1)=(3x-4)(2x-2) | | 7=3+2h | | 5y-5y+12=-5y-5y+8 | | (7a+11)(4a+12)+(15a+8)(7a+11)=0 | | 3(x-4)=80-2(3x+1) | | -3*6+2y=2 | | -3*3+2y=2 | | y/10=7 | | 5x+5+7x-19=180 | | -16t^2+8t+30=0 | | 1.00/5.00(750.00+x)=350.00 | | -3*2+2y=2 | | m+-799=-468 | | -3*1+2y=2 | | 1.00/5.00(750.00+x)=290.00 | | 6x-2/3(9-15y)=4x+8-4y | | -3*0+2y=2 | | 3x-6=69 | | (x+5)(x+5)=56 | | 14+4*n=2 | | 1/3(100+x)=350 | | 4p+3q=46 | | -11h=-176 | | -529=-23z | | 1/3(50+x)=80 | | 4h+5h=9 | | -3y=5*5-7 |