Question

evaluate 2³
$2 {}^{x} {}^{ + } {}^{3} = 32 \: find \: x$
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Answer 1

$\sf 2^{x+3} = 32\\ \sf 2^{x+3}= 2^5 \\ \sf x + 3 = 5\\ \sf x = 5 - 3\\ \sf x = 2$

Answer 2

2^5 = 32

2^( x + 3) = 32

2^(x+3) = 2^5

( x + 3) = 5

x = 2

Therefore x = 2