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)
0.3*(2*x-15)+0.3*x+31/2 = 0
(0.3*2*(2*x-15))/2+(0.3*2*x)/2+31/2 = 0
0.3*2*(2*x-15)+0.3*2*x+31 = 0
1.8*x-9+31 = 0
1.8*x+22 = 0
(1.8*x+22)/2 = 0
(1.8*x+22)/2 = 0 // * 2
1.8*x+22 = 0
1.8*x+22 = 0 // - 22
1.8*x = -22 // : 1.8
x = -22/1.8
x = -12.22222222
x = -12.22222222
| 1.1z-0.1z+7.2=-2.5-6.9 | | 14X+10y=1.55 | | y-4=1.50(x-1) | | 14X+10=1.55 | | x+2(7)=5 | | -42+50= | | 8(x+4)+5=8x+2 | | 6f^2g-6f^2g= | | 6+2y=5 | | (x-2)^3/2-3(x-2)^1/2=0 | | 1/3x+1/3(2x-15)+31/2 | | (x-2)^3/2-3(x-2)^1/2 | | x+2(0)=5 | | 30x=10y+8 | | (-1/5)x+(1/35)=(1/7) | | 0+2y=5 | | 4y-4+y+45=8+6y+42-4y | | 8=x-14 | | -47+(-50)= | | 0=(x-2)^3/2-3(x-2)^1/2 | | -20x+60= | | 100-5(4x+8)= | | (7x+4)=(-4x-5) | | -x+(-30)= | | 5.19-1.34x=4x-2.019 | | w=4(3.14)R | | -12x^2+17x+8=4x^2-x+1 | | -(x+30)= | | 3.7x-2.7x+3.2=3.2 | | -2(3x+4)-x+6=-5-2(x+1)+5 | | -1(x+5)= | | -(x+5)= |