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3 years ago

11

the difference of two numbers is equal to the sum of the minuend and a number opposite to the subtrahend. If the minuend is x an

d the subtrahend is y, then the equality is x − y =

2 answers:

nikdorinn [45]3 years ago

8 0

Answer:

x-y=x+(-y)

Step-by-step explanation:

lukranit [14]3 years ago

6 0

Answer:

minuend = x

subtrahend = y

x - y = x + (-y)

x + y = x - y

proved

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How can 1/5x − 2 = 1/3x + 8 be set up as a system of equations? a . 5y − 5x = −10. 3y − 3x = 24 b. 5y − 5x = −10. 3y + 3x = 24 c

VMariaS [17]

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$\frac{1}{5}x-2= \frac{1}{3}x+8=y$
⇒    $y= \frac{1}{5}x-2$
   $y= \frac{1}{3}x+8$
________________________
$y= \frac{x}{5} -2= \frac{x}{5} - \frac{10}{5} = \frac{x-10}{5}$
$y= \frac{x}{3} +8= \frac{x}{3} + \frac{24}{3} = \frac{x+24}{3}$
________________________
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$y= \frac{x+24}{3}$   ⇒    $3y=x+24$
________________________
$5y-x=-10$
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