Answer:
x=13
Step-by-step explanation:
because they're alternate adjacent angles:
5x=78-x
6x=78
x=13
<em>Answer is x + 12</em>
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<h2>
Explanation:</h2>
Hello! Recall that you have to write clear questions in order to get exact answers. So I'll help you assuming that the two expressions are the following:
First expression:

Second expression:

So the operation we need to perform is:

Recall some rules:

Hence:

<h2>Learn more:</h2>
Simplify: brainly.com/question/1291365
#LearnWithBrainly
Can you please explain what question you have?
Answer:
x = -4 , y = 3
Step-by-step explanation:
5x - 7y = -41 ... (i)
-3x - 5y = -3 ... (ii)
Multiplying (i) by -3 and (ii) by 5 ;
-15x + 21y = 123 ... (i)
-15x - 25y = -15 ... (ii)
Subtracting (i) by (ii) ;
0 + 46y = 138
46y = 138
y = 138 ÷ 46 = 3
Returning to equation (ii) ;
-3x - 5(3) = -3
-3x = -3 + 15
-3x = 12
x = -4
Answer:
The median is 36.8
Step-by-step explanation:
The median is the middle number in an ordered list.
We have to sort the list in increasing or decreasing order

Now we can remove the first and last numbers in each iteration until we get to the median

