rubyyyy1339 rubyyyy1339

15-01-2022
Mathematics

contestada

PLEASE HELP ME ASAP FOR 11 and 15 show all your work FOR 30 points and BRAINLIEST

PLEASE HELP ME ASAP FOR 11 and 15 show all your work FOR 30 points and BRAINLIEST class=

Respuesta :

abbywolfe590 abbywolfe590

15-01-2022

Answer:

11. (-3, -1)

Step-by-step explanation:

11.

-8x+y=23

solve for y by y= 23+8x

substitute the given value of y into the equation

-x-4(23+8x) = 7

solve for x and get x = -3

substitute the -3 for x

y= 23+8 x (-3)

y= 23 + (-4)

y = -1

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