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Use the like-bases property and exponents to solve the equation
`(1/10)^(x+8)=10^(2 x+9)`
`x=`
`(1/10)^(x+8)=10^(2 x+9)`
`x=`
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Box 1: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity