(vi) 2^x-7x5^x-4 = 1250
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Step-by-step explanation:
Hello Mate!
2^( x - 7 ) × 5^( x - 4 ) = 1250
1250 = 2 × 5 × 5 × 5 × 5
2^( x - 7 ) × 5^( x - 4 ) = 2^1 × 5^4
So, x - 7 = 1
x = 7 + 1 or x = 8
Or
x - 4 = 4
x = 4 + 4 or x = 8
Hence, value of x = 8
Hope it helps☺!✌
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