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)
(-5/2)*x = 15 // - 15
(-5/2)*x-15 = 0
-5/2*x-15 = 0 // + 15
-5/2*x = 15 // : -5/2
x = 15/(-5/2)
x = -6
x = -6
| 4[-9]+3=-32 | | 7p^2-4=-9 | | 4(2-x)+9=7+6x | | -4x+y=38 | | -3x+6(3x+8)=-12 | | 57+x+8=7x | | 0=4y-7x-20 | | 2c+7.2=5.7-3c | | 4-4r=6-1(1+5r) | | 6x-19=3x+20 | | 6(5-4y)=-27 | | (5x)+(3x+30)+(2x+10)=180 | | 7x-32=2 | | 4xy*2y=9 | | 90+x+30+x= | | -12t=132 | | .5(2x)+.25(5y)+.25(10z)=0 | | 89=4u+9 | | 1/3•5= | | 12d+19-10d-20= | | 5x-2=2x-6 | | 1/3•5 | | y=-12+5 | | 3x-5(2)=15 | | sqrt(9v+2)=sqrt(6v+11) | | x^2-11x-2/3x-15 | | -4w=7 | | 2(-7k+16k)= | | 2x-1+8x+8= | | y=160(x)+45 | | 2500=3.14r^2 | | 20-1q=17 |