Question 1095731
{{{ 7^a = 2 }}}
and
{{{ 7^( 3a + 2 ) = 7^(3a) *7^2 }}}
{{{ 7^( 3a + 2 ) = (7^a)^3*49 }}}
{{{ 7^( 3a + 2 ) = 2^3*49 }}}
{{{ 7^( 3a + 2 ) = 392 }}}
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Feel free to get another opinion, too