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)
a = (h*(B+B))/2 // - (h*(B+B))/2
a-((h*(B+B))/2) = 0
(-1*2*B*h)/2+a = 0
(-1*2*B*h)/2+(2*a)/2 = 0
2*a-1*2*B*h = 0
2*a-2*B*h = 0
(2*a-2*B*h)/2 = 0
(2*a-2*B*h)/2 = 0 // * 2
2*a-2*B*h = 0
x belongs to the empty set
| 20-9p=5p+12 | | p^2-8/3p+4/3=0 | | 25-2x=9-6x | | 0.15x+.05(20-x)=.10(12) | | 10a-13=15a*60 | | 4/5(5c-10)=24 | | 6/-7=3z/40 | | 2(x^2)+9(x)-5=0 | | 16x^2-8x+1=20 | | 2x+10=2(1x+5) | | 5/8T+2/15T=17/20 | | 2(x^2)+9(x)-10=0 | | -1/2m+5=25 | | 2(x^4)+9(x^2)-10=0 | | 3.7c=-33.3 | | 9x+4=5x+12 | | 12=2x^2+18 | | x/-5=50 | | (x^4)+3(x^2)+2=0 | | a-3=2 | | 2/3(12-15d) | | -5+(1+p)=4 | | -5x^2+10x-5=0 | | 10v+12u= | | 2/3(6a+12)=20 | | 39=.75(m-12)+9(m-12) | | q+14=8(q-7) | | 5x=-4x+9 | | 3(g-7)/2(10+g) | | 1/2k=3/4k-1/2 | | 10x^2-37x-36=0 | | y=21.6/12 |