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27=(1245+15x)/(43+x) find x

User Watzon
by
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1 Answer

4 votes

Assuming the equation is written in the form


27=(1245+15x)/(43+x)

We will follow the steps below:

Step 1: cross multiply the expression


27(43+x)=1245+15x

Simplifying further

Applying PEMDAS

where P = parenthesis

E=exponents

M=multiplication

D=division

A=addition

S=subtraction

Step 2: Apply the order of operations (PEMDAS)

We will expand parenthesis, Multiply, Add and Subtract


\begin{gathered} 27*43+27* x=1245+15x \\ 1161+27x=1245+15x \\ 1245-1161=27x-15x \\ 84=12x \end{gathered}

Divide both sides by 12


\begin{gathered} (84)/(12)=(12x)/(12) \\ 7=x \end{gathered}

Therefore the value of x = 7

User Jzbruno
by
8.3k points

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