If 32^2C = 8^C+7, what is the value of c?
1
2
3
5

32 = 2⁵ and 8 = 2³, so you can rewrite the equation as
[tex]32^{2c}=8^{c+7}\implies(2^5)^{2c}=(2^3)^{c+7}\implies 2^{10c}=2^{3c+21}[/tex]
The bases of both sides are equal, so the exponents must be too. Solve for c :
10c = 3c + 21
7c = 21
c = 3