2 × 3^x+2 + 3^x+1 = 63
find the value of x
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Answer:
2 × 3^x × 3^2 + 3^x × 3^1 = 63
3^x(2×3^2 +3) = 63
3^x (18+3) = 63
3^x = 63/21
3^x = 3^1
x = 1
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