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the answer is 3^5 because multiplication is done by adding the carriers
Answer:
x = 5
Step-by-step 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