Yes It is a right triangle
Don't forget to make me the brainiest
Answer:
24.6
Step-by-step explanation:
-3(x+2)-7 = 5x + 7
-3x - 6 - 7 = 5x + 7
-3x - 13 = 5x + 7
-20 = 8x
x = -2.5
I NEED A BIT MORE DETAIL LOL
21