Question

AB= 4x + 7
BC = 5x - 8
AC = 53

Answer 1

hope this helps

Explanation:

Let's assume AC is a straight line and B is on the line between A and C

AC=AB+BC

AC=4x+7+5x-8

AC=9x-1

Answer 2

Answer: x = 6

Explanation:

hope this helps