miadeamat10 miadeamat10

10-02-2021
Mathematics

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3x -4y = 13 y = -3x-7

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asmaNasr asmaNasr

10-02-2021

Step-by-step explanation:

3x-4y=13

y=-3x-7

3x-4(-3x-7)=13

3x+12x+28=13

15x=-15

x= -1

y= -3x-7 = 3-7= -4

( -1, -4)

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