To find the value of \( y \) using the expression \( y = 4x - 5 \) and substituting \( x = 2 \):
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Start with the equation: \[ y = 4x - 5 \]
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Substitute \( x = 2 \) into the equation: \[ y = 4 \cdot 2 - 5 \]
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Calculate \( 4 \cdot 2 \): \[ 4 \cdot 2 = 8 \]
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Now substitute this back into the equation: \[ y = 8 - 5 \]
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Finally, calculate \( 8 - 5 \): \[ y = 3 \]
So, the value of \( y \) is \( \boxed{3} \).