Write an expression without exponent that is equivalent to 2 to 3rd power nd 4 to the 3rd power

1 answer:

5 0

Answer:

8 and 64

Step-by-step explanation:

$2^3$ and $4^3$

$2^3=8$

$4^3=64$

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ch4aika [34]

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<h3>to understand this</h3><h3>you need to know about:</h3>

<h3>let's solve:</h3>

since y is equal to both equation therefore we can substitute the value of y into the other equation

$\sf substitute \: the \: value \: of \: y : \\ \sf - x + 2 = 3x - 4$
$\sf add \: x \: to \: both \: sides : \\ \sf - x + x + 2 = 3x + x - 4 \\ \sf 4x - 4 = 2$
$\sf add \: 4 \: to \: both \: sides : \\ \sf xx - 4 + 4 = 2 + 4 \\ 4x = 6$
$\sf divide \: both \: sides \: by \: 4 : \\ \frac{4x}{4} = \frac{6}{4} \\ x = \frac{3}{2}$