Answer:
x = 3
Step-by-step explanation:
AC and BD are going to be the same measure. We can make an equation and solve for x.
3x + 1 = 4x - 4
~Add 1 to both sides
3x = 4x - 3
~Subtract 4x to both sides
-x = -3
~Divide -1 to both sides
x = 3
Best of Luck!
