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12 votes
3²x3 ^x= 3^7
Find the value of x

User Norbitrial
by
4.4k points

2 Answers

4 votes

Answer:

x = 5

Explanation:

Rewrite the equation

3^x+2=2187

perform prime factorization of the right side

2187=3^7

3^x+2 = 3^7

equate the exponents of 3 on both sides

x+2 = 7

solve for x

x=5

User Tahmid Rahman
by
3.8k points
8 votes

the answer is 3^5 because multiplication is done by adding the carriers

User Aimiliano
by
4.7k points