21-02-2021
Mathematics

contestada

solve: 7x+4y=4,2x+3y=16 by elimination method

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Аноним Аноним

21-02-2021

Answer:

(-4,8)

Step-by-step explanation:

21x+12y=12

8x+12y=64

Subtract

13x=-52

x=-4

Replace x with -4

2(-4)+3y=16

-8+3y=16

3y=24

y=8

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