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)
(2/3)*x-((3/8)*x) = -8 // + 8
(2/3)*x-((3/8)*x)+8 = 0
(2/3)*x+(-3/8)*x+8 = 0
7/24*x+8 = 0 // - 8
7/24*x = -8 // : 7/24
x = -8/7/24
x = -192/7
x = -192/7
| m/7=42 | | b/1.3-5.4=1.8 | | 1/6(x+18)=1/3x+4 | | 16x^3-24x^2+24x-8=0 | | B/5-1=12 | | (16x^3)-(24x^2)+24x-8=0 | | 6(x+5)=54 | | 4/3*9/16 | | t-4=32 | | 5b^2-37b+42=0 | | -t+9=2t-15 | | 4m+7=10m+7 | | 1050+800+6x=850+400+9x | | -5x^2+x-18=0 | | x+6y=25 | | -2-5=4x+2 | | 3(2x+9)=4(x+11) | | -8u-19=-5u+11 | | t(4)=32 | | 2v-15=7v-5 | | 2=1.16x+x | | -7v-4=4v+18 | | 2z+20=5z-7 | | e^3=5-2x | | 5w-7=9w+9 | | 3(4x+4)+(-50x)-9(-8-x)= | | 2w-14=7w+1 | | 5x2/3-3x1/3 | | 2w+3=4w+2 | | 1/2(x-4)=2(x+2) | | -9v-4=-v-12 | | 2x^2-19+9=0 |