Question

Aflati x din egalitatea:2la x+3 +2la x+2 +2la x =52
Va rog

Answer 1

$2^{x} ( 2^{3} + 2^{2} +1) = 52$
$2^{x} (8+4+1)=52$
$2^{x} * 13=52$
$2^{x} = 52/13$
$2^{x}=4$
$2^{x} = 2^{2}$
$x=2$

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