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solmaris [256]
3 years ago
7

Simplify. (12x − 14) − (3x + 9) − (−4 − 1) Please Help ASAP!!!

Mathematics
1 answer:
Mama L [17]3 years ago
7 0

Answer:

9x-18

Step-by-step explanation:

Distribute the Negative Sign:

=12x−14−(3x+9)+−1(−4−1)

=12x+−14+−3x+−9+(−1)(−4)+(−1)(−1)

=12x+−14+−3x+−9+4+1

Combine Like Terms:

=12x+−14+−3x+−9+4+1

=(12x+−3x)+(−14+−9+4+1)

=9x+−18

Answer:

=9x−18

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If D = Z + 6 and C = -2 + Z - Z^2, find an expression that equals 3D + C in standard form
kykrilka [37]

Answer:

4Z+16-Z²

Step-by-step explanation:

Given that,

D = Z+6

C = -2 + Z - Z²

We need to find the value of 3D+C.

So,

3D+C = 3(Z + 6)+(-2 + Z - Z²)

= 3Z+18-2+Z-Z²

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So, the required expression is 4Z+16-Z².

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2 years ago
3(2x + 11) and (3x + 15)(2)
algol [13]

Answer:

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Step-by-step explanation:

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3 years ago
Suppose a student reaches in the bag and randomly selects nine red chips and eleven yellow chips. Based on this sample, what is
Marysya12 [62]
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3 years ago
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Simplify this expression, you are y years old. Your sister is 3 years older than you. Your uncle is 4 times older than your sist
uysha [10]

Answer:The simplified expression that represents the uncle's age is

4y + 12

Step-by-step explanation:

Let y represent your age.

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Your uncle is 4 times older than your sister. It means that the age of your uncle would be

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The simplified expression that represents your uncle's age would be

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3 years ago
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Step-by-step explanation:

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