High School

3 more than 8 times a number [tex]x[/tex] is equal to 83. Which equation represents this situation?

A) [tex](3)(8)x = 83[/tex]
B) [tex]8x = 83 + 3[/tex]
C) [tex]3x + 8 = 83[/tex]
D) [tex]8x + 3 = 83[/tex]

Answer :

We need to translate the statement "3 more than 8 times a number [tex]\(x\)[/tex] is equal to 83" into an equation.

1. "8 times a number [tex]\(x\)[/tex]" translates to:
[tex]$$8x$$[/tex]

2. "3 more than 8 times a number [tex]\(x\)[/tex]" means we add 3 to [tex]\(8x\)[/tex], giving:
[tex]$$8x + 3$$[/tex]

3. Since the statement says this expression is equal to 83, we have:
[tex]$$8x + 3 = 83$$[/tex]

To verify the equation, we can solve for [tex]\(x\)[/tex]:

- Subtract 3 from both sides:
[tex]$$8x = 83 - 3 = 80$$[/tex]

- Divide both sides by 8:
[tex]$$x = \frac{80}{8} = 10$$[/tex]

When [tex]\(x=10\)[/tex] is substituted back:
[tex]$$8(10) + 3 = 80 + 3 = 83$$[/tex]

This confirms that the equation is correct.

Thus, the equation that represents the situation is:
[tex]$$8x + 3 = 83$$[/tex]

This corresponds to choice 4.