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Formulate a system of equations that could be solved by multiplying one equation by 5 and then adding the two equations together to eliminate one of the variables.

Formulate a system of equations that could be solved by multiplying one equation by 5 and then adding the two equations together to eliminate one of the variables.
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5 votes
Formulate a system of equations that could be solved by multiplying one equation by 5 and then adding the two equations together to eliminate one of the variables.

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User Marco Barbero
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8.2k points

1 Answer

3 votes

\ \ \ 5 \ (-(1)/(5) a = 10 - b) \\ + (2a = 5b -20) \\ \\ a = 30

5× the first equation + the second equation will give an equation of 'a' to its value.
answered
User Rubenulis
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8.1k points
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