Hello,
The 3th angle of the triangle is the supplement of 3x-8:
180-(3x-8)=180-3x+8=188-3x
The sum of all angles of the triangle is 180
180=2x+21+188-3x
==>180=-x+21+188
==>x=21+188-180
==>x=21+8
==>x=29
Answer:
4th option because the two negatives will become positive and the 3rd will make it negative again
Answer: C. 4x^2/3 is ur answer
Answer:
Step-by-step explanation:
Move the constant to the right-hand side and change its signs:
Subtract the numbers:
Answer:
The third option is correct
Step-by-step explanation:
hopefully it is clear and understandable
:)