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Solve forx: 4^ − 7 × 4 ^𝑥 = 1
Solve forx: 4^ − 7 × 4 ^𝑥 = 1
5
6
7
8
Explanation
Using the rule
a
m
∗
a^
n
=
a^
m
+
n
:
4^
−
7
+
x
=
1
Since any non-zero number raised to the power of 0 equals 1:
−
7
+
x
=
0
Solve for x:
x
=
7