Try another version of this question Get help: Box 1: Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Use the like bases property to solve the equation
`5^(x-10)=5^(7 x-8)`
`x=`
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity `-1/3`