Question

in the given figures what must be the value of x to prove ABC congruent DEC bySAS?

Answer 1

I think value of X is 65/3

Answer 2

let triangle abc congruent to cde
so angle bac=cde ( cpct)
therefore 2x+15=5x-60
2x-5x=-60-15
-3x=-75
3x=75
x=75/3
x=25