3 years ago

How can multiplication help to find combinations

Mathematics

1 answer:

katrin2010 [14]3 years ago

3 0

Ff&Answer. Cause it’s the only thing to solve it :

Step-by-step explanation: you can’t use division

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lys-0071 [83]

Step-by-step explanation:

Solve the system via elimination (add the equations):

-10y + 9x = -9

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-----------------------

14x = -14

x = -1

Plug in the value for 'x' into the second equation:

-10y + 5(-1) = -5

Solve for y:

-10y - 5 = -5

--> -10y = 0

--> y = 0

x = -1

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Why wouldn’t you use a division to find an equivalent fraction for 7/15

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6x - 5y = 15 2 = y +3 X= Y=

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