In here, we will use the distance formula
[tex]\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2} [/tex]
Compute the distance between (-5, 3) and (5, 3)
[tex]=\sqrt{\left(5-\left(-5\right)\right)^2+\left(3-3\right)^2}[/tex]
= 10
The distance between (-5, 3) and (5, 3) is 10