Domain of

are the values of x for which 2x + 1 < 0
2x < -1
x < -1/2
Therefore, domain is all real numbers less than -1/2
Answer:
3
Step-by-step explanation:
add 8 to both sides then x=3
Answer:49
Step-by-step explanation:
A=ab/2
98=ab/2
98/2=ab
49=ab
Answer:
The answer tot he question provided is 25.
Answer: x = -30
Step-by-step explanation:
y = -20 by using process of elimination substitute y as -20 in either of the equations you get -30 for x