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blondinia [14]
3 years ago
6

Which equation shows the substitution method being used to solve the system of linear equations?

Mathematics
1 answer:
bonufazy [111]3 years ago
5 0
B. 
It says x = y + 3. So what they did was put y + 3 in the place of x. 
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Step-by-step explanation:

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Find the perimeter of the triangle.​
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Answer:

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8 0
3 years ago
Factorise 2-y(7-5y) please
hjlf
Answer:
(y - 1)(5y - 2)

Solution:

Factor:
2 - y(7 - 5y)

Apply the Distributive Property:
2 - 7y + 5y²

Reorder the expression:
5y² - 7y + 2

Rewrite the term:
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Regroup terms into two proportional parts:
(5y² - 5y) + ( -2y + 2)

Factor Greatest Common Factors out:
5y(y - 1) - 2(y - 1)
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5 0
3 years ago
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