Solve for x (5x+15)(3x-3)

1 answer:

3 0

Well when ever you're doing order of operations you always use please excuse my dear aunt sally please means parentheses ALWAYS GO FIRST Excuse means experience which if there's no parentheses exponents go first to my name is multiplication after parentheses multiplication always go first if there's no parentheses dear means division after multiplication comes division on means addition but pretty much after the multiplication parentheses and the division you complete the rest of the problem using the left to right method now the answer to this problem is

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erma4kov [3.2K]

<h3>Answer:</h3>

$\huge{\boxed{n=-4}}$

<h3>Explanation:</h3>

$\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}$

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Read 2 more answers

Write an algebraic expression that includes three

olga_2 [115]

Hi, there.

____

Coefficients: numbers multiplied by variables

Like Terms: terms with the same variables/exponents

Constant Terms: numbers

Thus

$\Large\boldsymbol{3z-5z+4y+15}$ is your desired expression

Hope the answer - and explanation - made sense,

happy studying.

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How to determine if the line is parallel , perpendicular, or neither

4vir4ik [10]

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