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)
(-8/7)*a = 16 // - 16
(-8/7)*a-16 = 0
-8/7*a-16 = 0 // + 16
-8/7*a = 16 // : -8/7
a = 16/(-8/7)
a = -14
a = -14
| -19x=266 | | (7+z)(3z-2)= | | -5w(w+2)(w-5)= | | 27-4-1= | | 3n=32 | | (9+u)(5u+4)= | | h=2.24F+69.09 | | 12q-6+7-3q+q= | | 4x+2/12x^2+14x+4 | | (v-3)(v+8)= | | 12a-2=34 | | (4x+2)/(12x^2+14x+4) | | 6=6+w | | 10a-4=96 | | h=4.45+2.24 | | h=4.35 | | 0.4x-2.1=0.3 | | x-4/2= | | x^4-3ix^3-4x^2+5i-1=0 | | 6(2x-6)-2(x+3)-18x= | | X-19=33 | | 6x+10=-128 | | 5y+4(y-6)=4(y+1)-2 | | 5a-6=24 | | 7y+3(y-8)=3(y+2)-4 | | -4x-7/7-6x | | 2(x-5)-4(2x-2)=36 | | (X-7)/10=x/5 | | 2a-7=17-7 | | (x^2-25)/(x^2-6x-16) | | 2a-3=9 | | 4a+12=24 |