Crystal1017 Crystal1017

17-02-2017
Mathematics

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How do you substitution

How do you substitution class=

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Аноним Аноним

17-02-2017

Do the Subtraction.
3x-2y-x+2y=-5+9
2x=4
x=2
Put x=2 in 3x+5=2y
So, 2y=11
y=5.5
So that's your answers.

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