4 years ago

Determine the solution to the system of equations below. x-3y=1 3x-5y=11

Mathematics

1 answer:

EastWind [94]4 years ago

5 0

The answer you are looking for is (7, 2).

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$6z + 7 = 8z - 9$

$8z - 9 = 6z + 7$

Add sides 9

$8z - 9 + 9 = 6z + 7 + 9$

$8z = 6z + 16$

Subtract sides 6z

$- 6z + 8z = - 6z + 6z + 16$

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Divide sides by 2

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Thus ;

$NP = 8z - 9$

$NP = 8(8) - 9$

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$NP = 64 - 4 - 5$

$NP = 60 - 5$

$NP = 55$

Done...

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