Plastic beads can often carry a small charge and therefore can generate electric fields. Three beads are oriented such that $q_2$ is between $q_1$ and $q_3.$ The sum of the charge on $q_1$ and $q_2$ is $q_1+q_2=-4\mathrm{.}7C,$ and the net charge of the system of all three beads is zero.

F field lines

What charge does each bead carry?

$q_1=,C$

$q_2=,C$

$q_3=,C$