Answer:
b
Step-by-step explanation:
Answer:
i don't see anything attached
Step-by-step explanation:
by the way can i have brainliest
If you have any questions or need help them please comment. Good luck!
21x +70
7•3x + 7•10
21x + 70
Answer:
I think x=8
Step-by-step explanation:
5(x+7)+15=90
90 because it's a 90 degree angle
5x+35+15=90
5x+50=90
5x=40
x=8