Question

If 27x+1 =81x+3, then x =​

Answer 1

Answer:

x=-27

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Answer 2

Answer:

${(27)}^{x + 1} = {(81)}^{x + 3} \\ \\ {(3)}^{3(x + 1)} = {(3)}^{4(x + 3)} \\ \\ compare = > \\ \\ 3(x + 1) = 4(x + 3) \\ \\ 3x + 3 = 4x + 12 \\ \\ x = - 9$