1.

यदि `|{:(,3x,7),(,-2,4):}|=|{:(,8,6),(,7,4):}|` तो x का मान ज्ञात कीजिएः

Answer» `|{:(3x,7),(-2,4):}|=|{:(8,7),(6,4):}|`
`rArr" "12x + 14 = 32-42`
`rArr" "12x + 14 =-10`
`rArr" "12x = -24`
`rArr" "x=-2`


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