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)
(5*a)/9+2+10 = 7 // - 7
(5*a)/9-7+2+10 = 0
5/9*a+5 = 0 // - 5
5/9*a = -5 // : 5/9
a = -5/5/9
a = -9
a = -9
| 2x^2-15x+13=0 | | 6x-5x=30 | | 5a/9+10 | | 1.3x=-3.9 | | y=-0.04x^2+28 | | 63x+36-1= | | 1/3a+3/4 | | y=1.2-0.8(2.4) | | y=1.2-0.8(-1) | | y=1.2-0.8(-4) | | X-3/4=7/4 | | 20+(v-11)=-12 | | 8-3(x-4)=-4 | | y=4.2+0.8(9) | | 2+7y=8y | | y=4.2+0.8(6.4) | | y=4.2+0.8(1.5) | | t-1=17 | | y=4.2+0.8(-1) | | y=4.2+0.8(-4) | | 3/7x=4/5 | | 2x(x+7y)-3y(x-4y)-11xy= | | 5+2x-x^2=y | | 39-7x=11x+17 | | 2x-6y-6z=1 | | r/3-4=11 | | 10-9x=11x+17 | | 2.38x+6.8=3.94x-3 | | 8x-4(5x-2)=12x | | 3x+2+5x=x+11 | | 1/3(9) | | 2.38x+6.8x=3.94x-3.44 |