Question

5x-1 is a power ＝ 125
find the value of x​

Answer 1

Answer:

Hey mate!!!!

This is your answer...

Step-by-step explanation:

5x-1=125

5x=125+1

5x=126

X=126/5

Answer 2

Answer:

${5}^{x - 1} = 125 \\ {5}^{x - 1} = {5}^{3} \\ x - 1 = 3 \\ x = 4$