Question

Y = -5
2x – 4y = 18
PLEASE HELP NO LINKS
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Answer 1

x= -1

Explanation:

2x + 20 =18

2x = 18 - 20

x = -1

Answer 2

x= -1

Explanation:

since y is -5 then we would put that in the second equation:

2x - 4(-5) = 18

then it’s:

2x + 20 = 18

Then we subtract 20 from both sides

2x = -2

Last we divide both by 2 and we get x = -1