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ehidna [41]
4 years ago
15

Simplify -(-7y+12) and explain

Mathematics
2 answers:
otez555 [7]4 years ago
8 0
Use the Distributive Property to Simplify. However, to make it easier, write out the equation like this. 
-1(-7y+12)
This makes it so it simplifies to 7y-12.
Gre4nikov [31]4 years ago
3 0
In front of the negative their is an invisible 1 and that invisible 1 is the one your going to do distributive property with and then get a positive 7 because a negative divided by a negative is a positive.Your going to do the same thing to the twelve and then your answer is going to be 7y-12
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Answer:

8

Step-by-step explanation:

-(-1)^2+(3)^2=-1+9\\=8

3 0
3 years ago
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Step-by-step explanation:

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2 years ago
3 over 5 is 30% of what number?
denis23 [38]
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8 0
3 years ago
Is 3(–2) + 7(2) equivalent to (–3)(–3) + (–1)(1)? Let negative numbers be represented with a "–" symbol and positive numbers be
jek_recluse [69]
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3 years ago
Is (2, 3) a solution to this system of equations?<br> 2x + 5y = 19<br> X + 16y = 5<br> yes<br> no
chubhunter [2.5K]

Answer:

No

Step-by-step explanation:

To check if (2,3) is a solution to the system of equations, we simply have to plug the coordinate points into the two equations and see if it is valid.

2*2+5*3=\\4+15=\\19\\\\19=19

(2,3) belongs in the first equation.

2+16*3=\\2+48=\\50\\\\50\neq 5

(2,3) does not belong in the second equation.

<u>Therefore, (2,3) is not a solution to this system of equations.</u>

<u />

<em>I hope this helps! Let me know if you have any questions :)</em>

3 0
3 years ago
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