9 = x
subtract 3x from both sides of the equation and you're left with 9=x
X + 13 = -4
x = -4 - 13
x = - 17
I am thinking it is the first one..solution is -17
(B) 8 less than the product of 3 and n
Here, we are given an equation 3n - 8
Let us consider each of the options one by one
(A) the product of 3, n and 8 will be written as 24n. Hence this isn't the correct answer.
(B) 8 less than the product of 3 and n will be written as 3n - 8. This matches our equation and hence is the correct answer.
(C) n minus 8 times 3 will be written as 24 - n. Hence, this is also incorrect.
(D) 3 times n less than 8 will be written as 8 - 3n. Thus, this is also eliminated.
Therefore, option B is the correct answer.
Learn more about expressing equations here-
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One is 3pi/2 - 2pi = -pi/2
also -7pi/2
