Answer:
17
Step-by-step explanation:
We are given the expression find x + 9 if x = 8.
When a certain number has a variable and the value of the variable is known, all you have to do is plug in the variable amount into the equation, therefore :
x is 8 , so we plug in 8 for x
x + 9 =
8 + 9 = 17
Answer:
120 degrees
Step-by-step explanation:
5 times 25 equals 125.
subtract 5
=120
Answer:
<h2>

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Step-by-step explanation:






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</h3><h3>Hope it is helpful...</h3>
Answer:
x
−
9
x
^2
−
8
Step-by-step explanation:
4y = -23 + 39
4y = 16
y = 4
Sub y = 4 into equation 2
7x + 6(4) = -39
7x + 24 = -39
7x = -39-24
7x = -63
x = -9
x = -9
y = 4