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4 years ago

Simplify (3x - 5) - (5x + 1). 0-2x + 6 -2x - 6 2x - 6 2x + 6 fast please!

Mathematics

1 answer:

mamaluj [8]4 years ago

3 0

-2x-6

EXPLANATION

(3x-5) = (-2x) - 6

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Joel has a goal to practice his clarinet for 4 1/2 per week. The list below shows the number of hours Joel has a practiced so fa

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Given that,

Goal per week of Joel = $4\frac{1}{2} = \frac{2 \times 4 + 1}{2} = \frac{9}{2}$

From given,

The list below shows the number of hours Joel has a practiced so far for the week

$Monday = 1\frac{1}{2}\ hours = \frac{3}{2}\ hours$

$Wednesday = 1\frac{1}{4}\ hours = \frac{5}{4}\ hours\\\\Thursday = 1\ hour$

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Find the difference

Hours needed = Goal per week of Joel - (monday + wednesday + thursday)

$Hours\ needed = \frac{9}{2} - (\frac{3}{2} + \frac{5}{4} + 1)\\\\Hours\ needed = 4.5-(1.5+1.25+1)\\\\Hours\ needed = 4.5 - 3.75 = 0.75\\\\Hours\ needed = 0.75 = \frac{3}{4}$

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