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Mathematics

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Solve each system by elimination. Show your work

3х – 10 y = 14
3х – 9y = 15

Answer :

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Answer:

subtracting both equations

3x-10y=14

3x-9y=15

- - =-

_________

0-y=-1

y=1

then putting the value of y in first eqn

3x-10×1=14

3x=24

x=8

so x is 8and y is 1

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