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Linear Equations in One Variable — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSLinear Equations in One Variable2 Marks
Question
Solve $0.25(8 a-0.5)=7.5$.
✓

Answer

We have, $0.25(8 a-0.5)=7.5$
$\Rightarrow 0.25 \times 8 a-0.25 \times 0.5=7.5$
$\Rightarrow \quad 0.25 \times 8 a=7.5+0.25 \times 0.5\quad$ [transposing $-0.25 \times 0.5$ to RHS]
$\Rightarrow \quad 2.0 \times a=7.5+0.125$
$\Rightarrow \quad a=7.625 \times \frac{1}{2}=3.8125\quad$ [dividing both sides by 2]

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