5.2x-y=4.1 1.5x+y=6.7
how to solve this problem...
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Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)
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Varies inversely with x. if y=8.5 when x=-1 find x when y=-1
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