To solve the equation 3^x - 3^(x+3) = -78, we can rewrite the term 3^(x+3) as 3^x 3^3 = 27 3^x.
So now, the equation becomes:3^x - 273^x = -78Combining like terms:-263^x = -78
Divide both sides by -26:3^x = 3
Since 3^1 = 3, x = 1 is the solution to the equation 3^x - 3^(x+3) = -78.
To solve the equation 3^x - 3^(x+3) = -78, we can rewrite the term 3^(x+3) as 3^x 3^3 = 27 3^x.
So now, the equation becomes:
3^x - 273^x = -78
Combining like terms:
-263^x = -78
Divide both sides by -26:
3^x = 3
Since 3^1 = 3, x = 1 is the solution to the equation 3^x - 3^(x+3) = -78.