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Follow the steps and finish the solution.

Distributive Property
[tex]\[
7(x-3)=28 \\
7x - 21 = 28
\][/tex]

Addition Property of Equality
[tex]\[
7x = 49
\][/tex]

Division Property of Equality
[tex]\[
x =
\][/tex]

What is the value of [tex]\( x \)[/tex]?

A. 7

B. 9

C. 42

D. 56


Sagot :

Let's continue solving the equation step by step.


1. We began with:
[tex]\[ 7(x - 3) = 28 \][/tex]

2. Applying the distributive property, we expanded the equation to:
[tex]\[ 7x - 21 = 28 \][/tex]

3. Next, we applied the addition property of equality by adding 21 to both sides to isolate the term with [tex]\( x \)[/tex]:
[tex]\[ 7x - 21 + 21 = 28 + 21 \][/tex]
Simplifying this, we get:
[tex]\[ 7x = 49 \][/tex]

4. Finally, using the division property of equality, we divide both sides by 7 to solve for [tex]\( x \)[/tex]:
[tex]\[ x = \frac{49}{7} \][/tex]
Hence, the value of [tex]\( x \)[/tex] is:
[tex]\[ x = 7 \][/tex]

Among the options given:
- 7
- 9
- 42
- 56

The correct value of [tex]\( x \)[/tex] is [tex]\( \boxed{7} \)[/tex].