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प्रश्न
If 
= `3/4x - 2` and 
= x + 6, then find the value of:
– 
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उत्तर
Given, = `3/4x - 2` and = x + 6
– = `3/4 xx 10 - 2 - 4 - 6`
= `30/4 - 12/1` ...[∵ LCM of 4 and 1 is 4]
= `(30 - 48)/4`
= `(-18)/4`
= `(-9)/2`
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