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Pair of Linear Equations in Two Variables

CH03 Question Bank

CBSE_CH03_QUESTION_BANK

Grade 10

Question:

By the elimination method, if $2x+3y=12$ and $2x-3y=0$, the value of $x$ is:

$1$
$2$
$3$
$6$

Step-by-Step Solution

Key Concept: Add the two equations to eliminate $y$.

Adding: $4x=12\Rightarrow x=3$. [1.0 Mark]

Correct Answer: $3$

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