Answer:
Plug x-7 in for y, in the bottom equation.
x - 7 = 2 + 2x - 4
x - 7 = 2x - 2
x = 2x + 5
-x = 5
x = -5
The side legths
Step-by-step explanation:
the answer would be 12
x= - square root 141 or x= square root 141
