Answer:
Missing side = x+2
Step-by-step explanation:
The perimeter of the classroom, 6x+3, is equal to the 4 side lengths added up.
In their first line of work, the first plus sign should be an equal sign as follows:
6x+3 = 3x+1+x+x+?
simplify
6x+3 = 5x+1+?
subtract (5x+1) from both sides
x+2 = ?
There's the length of the missing side.
Answer: x+5y=-13= (x=−5y−13)
2x-5y=-20= <u>(x=5/2y-10) </u>
Step-by-step explanation: The answers are labeled in parenthesis. According to my calculations, this is what I got. Sorry for any inconvenience.
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Answer:
d. 0
Step-by-step explanation:
The table can be interpreted as:
Required
Find 
Substitute:
Using a calculator
Hence:
