Answer:
x = 1
Step-by-step explanation:
BC is similar to EF
- they have similar sides with DE and BA having one tick
- DF and CA have two ticks
- angle D and angle A are the same
13x - 12 = 7x - 6 is the equation
6x - 12 = -6
6x = 6
x = 1
Let's check!
13(1) - 12 = 7(1) - 6
13 - 12 = 7 - 6
1 = 1
