If (5^7)(9^4)=3(15^x), what is the value of x?
Answers.
A) 7  B) 9  C) 11  D) 13  E) 15
(5^7)(9^4)=3(15^x)   =&gt; 5^7 * 3^8 = 3 * 3^x * 5^x   =&gt; 5^7 * 3^8 = 3^(x+1) * 5^x   Value of x = 7   7nswer 7
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If (5^7)(9^4)=3(15^x), what is the value of x?