How do you evaluate the expression 5x + 5y + 9y + 2x + y if x=8 y=3?

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How do you evaluate the expression 5x + 5y + 9y + 2x + y if x=8 y=3?

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Answer 1 · 2018-05-04T10:57:47

$101$ $101$

Explanation:

$simplify the expression by collecting like terms$ $"simplify the expression by collecting like terms"$

$\Rightarrow 5 x + 2 x + 5 y + 9 y + y = 7 x + 15 y$ $rArr5x+2x+5y+9y+y=7x+15y$

$substitute the given values for x and y into the$ $"substitute the given values for x and y into the"$
$simplified expression$ $"simplified expression"$

$= (7 \times 8) + (15 \times 3)$ $=(7xxcolor(red)(8))+(15xxcolor(blue)(3))$

$= 56 + 45 = 101$ $=56+45=101$

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How do you evaluate the expression 5x + 5y + 9y + 2x + y if x=8 y=3?

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