CPM Homework Help : INT1 Problem 3-131

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3-131.

Determine the value of $x$ that will make each equation below true.

$2^3 = 2^x$
Answer (a):
$x = 3$

$x^3 = 5^3$

Answer (b):
$x = 5$

$3^4 = 3^{2x}$

Answer (c):
$x = 2$

$2^7 = 2^{(2x+1)}$

Answer (d):
$x = 3$

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