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प्रश्न
0.4x – 1.2 = 0.3x + 0.6
उत्तर
0.4x – 1.2 = 0.3x + 0.6
⇒ 0.4x - 0.3x = 0.6 + 1.2
⇒ 0.1x = 1.8
⇒ `1/10"x" = 18/10`
⇒ x = `18/10 xx 10/1 = 18`
∴ x = 18
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