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What is the value of [tex]\( x \)[/tex] in the rational equation [tex]\( \frac{27}{9} = \frac{3x}{9} \)[/tex]?

A. 9
B. 243
C. 3
D. 27

Sagot :

Let's solve the rational equation [tex]\(\frac{27}{9} = \frac{3x}{9}\)[/tex] step-by-step.

1. Simplify the left-hand side of the equation:
[tex]\[ \frac{27}{9} = 3 \][/tex]

2. Rewrite the equation with the simplified left-hand side:
[tex]\[ 3 = \frac{3x}{9} \][/tex]

3. Isolate [tex]\(3x\)[/tex] by multiplying both sides of the equation by 9:
[tex]\[ 3 \times 9 = 3x \][/tex]
[tex]\[ 27 = 3x \][/tex]

4. Solve for [tex]\(x\)[/tex] by dividing both sides of the equation by 3:
[tex]\[ \frac{27}{3} = x \][/tex]
[tex]\[ x = 9 \][/tex]

Therefore, the value of [tex]\(x\)[/tex] in the equation [tex]\(\frac{27}{9} = \frac{3x}{9}\)[/tex] is [tex]\( \boxed{9} \)[/tex].