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Which equation models the problem and shows the correct solution?

The difference between [tex]x[/tex] and 89 is 7.

A. Write the equation as [tex]x - 89 = 7[/tex] and add 89 to both sides. The answer is 96.

B. Write the equation as [tex]89 - x = 7[/tex] and subtract 7 from both sides. The answer is 82.

C. Write the equation as [tex]x - 7 = 89[/tex] and add 7 to both sides. The answer is 96.

D. Write the equation as [tex]7 - x = 89[/tex] and subtract 7 from both sides. The answer is 82.

Answer :

To solve the problem where "the difference between [tex]\( x \)[/tex] and 89 is 7," we need to figure out the correct equation and find the value of [tex]\( x \)[/tex].

The phrase "the difference between [tex]\( x \)[/tex] and 89" suggests the mathematical expression [tex]\( x - 89 \)[/tex]. According to the problem, this difference is equal to 7. Therefore, the correct equation that models this situation is:

[tex]\[ x - 89 = 7 \][/tex]

To solve for [tex]\( x \)[/tex], we need to isolate [tex]\( x \)[/tex] on one side of the equation. We can do this by performing the inverse operation of what's being done to [tex]\( x \)[/tex]. Currently, 89 is being subtracted from [tex]\( x \)[/tex], so we will add 89 to both sides of the equation to cancel it out on the left side:

1. Start with the equation:
[tex]\[ x - 89 = 7 \][/tex]

2. Add 89 to both sides:
[tex]\[ x - 89 + 89 = 7 + 89 \][/tex]

3. Simplify both sides:
[tex]\[ x = 96 \][/tex]

Therefore, the solution to the equation, and the value of [tex]\( x \)[/tex] that satisfies the condition given in the problem, is [tex]\( x = 96 \)[/tex].

The correct approach and equation are represented by the choice:
"Write the equation as [tex]\( x - 89 = 7 \)[/tex] and add 89 to both sides. The answer is 96."

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