4x + 15
24 - 8x - 9 + 12x
Add or subtract the common variables
4x + 15
Answer:
Step-by-step explanation:
11
Answer: Its answer A
Hope you feel soon better friend.
Im learning this too right now hope this helps
1.you get y by itself and put what y equals where y is in the other equation
y=2x. x+y=12
x+2x=12
3x=12. (divided 3 on both sides)
x=4
2.after you find x(or y) put it in one of the problems above and solve for whats missing which in this case is y
y=2(4) 4+y=12
y=8. -4. -4
y=8
Answer: Obtuse angle. Obtuse angles are any angle above 90 degrees. Acute angles are any angle below 90 degrees. 90 degree angles are right angles