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How do I translate four more than 3 times a number is 28? Solve for the number

1 Answer

4 votes

Answer:

3x + 4 = 28

x = 8

Step-by-step explanation:

Let the number be x

Given that four more than 3 times a number is 28, we can go ahead and translate as seen below;

* 3 times a number can be expressed as 3x

* four more than 3 times a number can be expressed as 3x + 4

* four more than 3 times a number is 28 can be expressed as 3x + 4 = 28

We can go ahead and solve for x following the below steps;

Step 1: Subtract 4 from both sides of the equation;


\begin{gathered} 3x+4-4=28-4 \\ 3x=24 \end{gathered}

Step 2: Divide both sides by 3;


\begin{gathered} (3x)/(3)=(24)/(3) \\ x=8 \end{gathered}

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