If it is equilateral,AB=BC
2x=4x-7
subtract 2x from each side, and add 7 to each side.
7=2x
divide each side by 2
x=3.5
if triangle ABC is equilateral with AB = 2x, BC = 4x - 7, and x + 3.5, then what is x?
1 answer
1 answer