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How do you evaluate the expression if a = 3 and b = 5 for 4(a + 2b)?

1 Answer

Mar 31, 2018

$52$ $52$

Explanation:

$substitute the given values into the expression$ $"substitute the given values into the expression"$

$\Rightarrow 4 (3 + (2 \times 5))$ $rArr4(color(blue)(3)+(2xxcolor(red)(5)))$

$= 4 (3 + 10)$ $=4(3+10)$

$= 4 \times 13 = 52$ $=4xx13=52$

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