-2/(a+b)
Explanation: you are dividing negative two by the sum of a and b so you would put a+b in parentheses as the denominator and then put -2 as the numerator
Answer:
A, C, D
Step-by-step explanation:
Solve all equations:
A. 

This is incorrect equality, so the equation has no solutions.
B. 

This is correct equality, so the equation has infinitely many solutions.
C. 

This is incorrect equality, so the equation has no solutions.
D. 

This is incorrect equality, so the equation has no solutions.
Answer:
15
Step-by-step explanation:
<span>2x + 18 - 1 = 33
First combine like terms on the left side.
2x + 17 = 33
Now subtract 17 from both sides.
2x = 16
Lastly, divide both sides by 2.
x = 8
The answer is x = 8.</span>