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)
(1/4)*a+(5/8)*a = 1/2 // - 1/2
(1/4)*a+(5/8)*a-(1/2) = 0
(1/4)*a+(5/8)*a-1/2 = 0
7/8*a-1/2 = 0 // + 1/2
7/8*a = 1/2 // : 7/8
a = 1/2/7/8
a = 4/7
a = 4/7
| 6(4x-3)+5(4x-2)=60-20(2-x) | | x+-5=-22 | | 15a+3=3 | | 6+0.5x=y | | -2x+4=8x+2 | | 40y=-x^2+31x+32 | | 10X+3=6X+4 | | 4x=7.8-34 | | n+-45=19 | | 4y=7.1-34 | | 9x^2-7=11 | | 2y-42+y=6 | | 4x-14+2x+8=180 | | e/14+6=4 | | 5x+126=13x-10 | | z=15n | | A^2+6x+8=0 | | (x^2)+(.000018x)-(.00000288)=0 | | x(3x-12)=0 | | X/2+5/12=5/6 | | ax^2+4x+a=0 | | y+-14=-1 | | 156=2x+7/8x+7/8x | | t+-6=18 | | 107-5x=22x+17 | | -7x-1=2(x-2) | | 5y-18=-54+y | | 2h-5=45 | | -4(-2+7x)=-244 | | 2-2x-8=0 | | 5,56*400*x=14178 | | -5x-1=x |