Answer:
x = -1/7
Step-by-step explanation:
Solve for x
9-17x-5-4x=7
Combine like terms
-21x +4 = 7
Subtract 4 from each side
-21x-4+4 = 7-4
-21x = 3
Divide each side by -21
-21x/-21 = 3/-21
x = -1/7
Check
9 - 17(-1/7) -5 -4(-1/7) =7
9 + 17/7 -5 + 4/7 =7
4 +21/7 = 7
4+3 = 7
7=7
Answer: 28/r+4
Step-by-step explanation: Divide each term by r + 4 and simplify
Answer:

Step-by-step explanation:
Given

Required
Solve for x

Open all brackets




Collect like terms


Solve fraction


Multiply both sides by 6



Answer:
Option D) is correct
That is Option D) "The diagonals bisect each other" is correct
Step-by-step explanation:
The property of all squares is
"The diagonals of a square bisect its angles" and it can be written also also as below
"The diagonals bisect each other"
Therefore Option D) is correct
That is Option D) "The diagonals bisect each other" is correct
Answer:
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Step-by-step explanation: