I am stuck with the following problem that says:
If $x(b-c)+y(c-a)+z(a-b)=0$ then show that $$\frac{bz-cy}{b-c}=\frac{cx-az}{c-a}=\frac{ay-bx}{a-b}$$ where $a \neq b \neq c.$
Can someone point me in the right direction? Thanks in advance for your time .