If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
(9/2)*a-7 = 0
9/2*a-7 = 0 // + 7
9/2*a = 7 // : 9/2
a = 7/9/2
a = 14/9
a = 14/9
| 5-12/x=8 | | 5+24x+3=32 | | 900+d/12=87.5 | | -6y+6=-2(4y+2) | | x/10+11x/6+x/4 | | 9x-9=88 | | 90=-10x+6y | | y=3.5x+1.9 | | (11a-b)(11a+b)= | | 9y=8(y+9) | | 4-2+x=2x-2 | | 4x(3y+3x)=7y | | 2x=3-7+2 | | 3a^6*3a^8= | | 6+4-x-6=x+x | | -16x^2+24(2.5)+60= | | -6=1x-6 | | 8+7+6+x=x-12-x | | -1/2(32)x^2+24(2.5)+60 | | -1/2(32)(2.5)^2+24(2.5)+60 | | z-8z=7z-9-z | | -1/2(32)*x^2+24(2.5)+60 | | -1/2(32)*2.5^2+24x+60 | | x+5/3*4x+20/30x | | -1/2(32)(2.5)^2+24x+60 | | -7(-1)(-4)= | | (2x)9= | | y+6=3(x+4) | | -1/2(32)*2.5^2+24(2.5)+60 | | 8c^2+24c+18= | | 9/2a-3 | | y^7-81y^3= |