Respuesta :
Answer:
x = 3
Step-by-step explanation:
7^(x-2) = 7¹
Equate powers
x-2 = 1
x = 3
Answer:
x=3
Step-by-step explanation:
7^x-2=7
- 7 is equal to 7^1 as it is equals to 7
7^x-2=7^1
- eliminating the powers
x-2 = 1
- add 2 to both sides
x = 1+2 = 3
lets check the answer
7^x-2=7
7^3-2=7
7^1 = 7
7=7
LHS = RHS