If it's not what You are looking for type in the equation solver your own equation and let us solve it.
B in (-oo:+oo)
4/5 = -2*B // + -2*B
4/5-(-2*B) = 0
2*B+4/5 = 0
2*B+4/5 = 0 // - 4/5
2*B = -4/5 // : 2
B = -4/5/2
B = -2/5
B = -2/5
| -19x^3-12x^2-16x=0 | | 5(2x+7)-2(3x+9)= | | 2x+4-3x=6 | | a^2+2ab-b+2=0 | | .7x=4.2 | | ((x-4)/(5-3x)^2) | | 28=6-2a | | 12(x+10)=130 | | 38a+12-34a=48 | | 1x+38=42 | | (x^2-144)^1/2=0 | | 1x+38=41 | | 13x-x=12 | | 3x-15x=24 | | 4x(6-8x)(8+9)=-1 | | g(x)=3x+100 | | 4a+5=2a-21 | | 4z+10-3z=8z+2 | | 64a+16a^2+a^3= | | -25=-7+3y | | x^2+5ix+2=0 | | 4n^2-72n-224=0 | | .5x=110 | | 7/5ab-ab | | 35-19+3w=31 | | -3(2x+1)3=-192 | | 6x-4=4x+40 | | -17=3v-2 | | 65+-4x=29 | | 1+2b=9 | | 7/8=y-(1/6) | | 3-4/3= |