Respuesta :

20plant

5. first solve for y:

y = 5x+1

then plug this into the second equation

-7x - 2(5x+1) = 19

then solve for x

-7x - 10x -2 = 19

-17x = 21

x = -17/21

then plug back in to solve for y

y = 5(-17/21) +1

y = -64/21

x = -17/21


7. same process

y = -5

x = -1

TTVSPADE
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