{7}^{2n + 1} \div 49 = {7}^{3} What the value of n​

Question

{7}^{2n + 1} \div 49 = {7}^{3}
What the value of n​

in progress 0
Kim Chi 5 years 2021-08-15T21:32:50+00:00 1 Answers 18 views 0

Answers ( )

  1. Nem
    0
    2021-08-15T21:34:47+00:00
    Reply

    Step-by-step explanation:

    {7}^{2n + 1} \div 49 = {7}^{3}

    {7}^{2n + 1} \div {7}^{2} = {7}^{3}

    {7}^{2n + 1 - 2}= {7}^{3}

    2n-1=3

    2n=4

    n=2

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )