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evablogger [386]
3 years ago
5

3) -5x - 5y = 3 5x + 5y = 0

Mathematics
1 answer:
motikmotik3 years ago
5 0
Both answers can be eliminated. Giving you 0=3, which is a false statement, therefore you have no solution
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How to simply 7a+3(9+5a)?
makvit [3.9K]
To solve for this, we need to use the Distributive Property, which allows us to multiply the number/variable outside of the parenthesis by all numbers/variables inside of the parenthesis. Once we've done that, we can attempt to simplify the equation.
Our current equation is:
7a + 3(9+5a) = 0
Let's use the Distributive Property.
3(9 + 5a)
3(9) + 3(5a)
27 + 15a
Our current equation now is:
7a + 27 + 15a = 0
Combine like-terms.
15a + 7a = 22a
22a + 27 (If this is not being solved, THIS is your answer as an expression)
Subtract 27 from both sides
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Divide both sides by 22 to get a.
a = -27/22.
If we are not solving for a, but getting an expression, your answer is:
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seropon [69]

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Step-by-step explanation:

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AlexFokin [52]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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