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Linear Equations in One Variable — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSLinear Equations in One Variable2 Marks
Question
Find the solution of $2 y+18=30$.
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Answer

We have, $2 y+18=30$
$\Rightarrow \quad 2 y=30-18 \quad$ [transposing 18 to RHS]
$\Rightarrow \quad 2 y=12$
$\Rightarrow \quad y=12 \div 2 \quad$ [dividing both sides by 2]
$\Rightarrow \quad y=6$

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