Answer:
It says double, so it means that:
_____ x 2 = 50
In order to find _____, you must reverse the equation.
50 / 2 = _______
This means that:
50 / 2 = 25
So, ______ = 25
ax - x = c Factor out the x
x (a - 1) = c Divide both sides by (a - 1)
x =
And there is more information needed
X^2 = 7^2 - 3^2
x = root40