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Rules for Elimination

Question 13x ...

Question

Question 1
3x = 2x +18

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Solution

$3 x = 2 x + 18$
$\Rightarrow 3 x - 2 x = 18$
$\Rightarrow x = 18$
To check:
$3 x = 2 x + 18 \Rightarrow 3 \times 18 = 2 \times 18 + 18$
$\Rightarrow 54 = 36 + 18 \Rightarrow 54 = 54$
$\Rightarrow L . H . S . = R . H . S$ .
Hence, it is correct.

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Rules for Elimination

Standard VII Mathematics

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