alanizdd2004 alanizdd2004

12-02-2022
Mathematics

contestada

Can anyone please help me with this??? I really need it );

Can anyone please help me with this I really need it class=

Respuesta :

jaidyns06 jaidyns06

12-02-2022

Answer:

(x,y) (9,4)

Step-by-step explanation:

-2x+7y = 10

x -3y = -3 (move x to the other side)

-2x +7y = 10

x = -3 + 3y (put in for x)

-2 (-3 +3y) +7y =10 ( slove for y)

6-6y +7y = 10

6+y = 10

y = 10-6

y = 4

go back slove for x

x = -3+3x4

x = 9

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