Mister Exam
(a+b)+c; (a-b)/(a-c)
The solution
You have entered
[src]
a + b + c = 0
$$c + \left(a + b\right) = 0$$
a - b ----- = 0 a - c
$$\frac{a - b}{a - c} = 0$$
(a - b)/(a - c) = 0
Rapid solution
$$b_{1} = - \frac{c}{2}$$
=
$$- \frac{c}{2}$$
=
$$a_{1} = - \frac{c}{2}$$
=
$$- \frac{c}{2}$$
=
=
$$- \frac{c}{2}$$
=
-0.5*c
$$a_{1} = - \frac{c}{2}$$
=
$$- \frac{c}{2}$$
=
-0.5*c