Try another version of this question Get help: Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Solve for `x`:
`9^(4 x - 9) = 10^(8 x - 2) `
`x = `
.
Enter DNE for Does Not Exist, oo for Infinity -1.5749785787864