If x + 2y = 1 X– 2y = 13 then y =

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Irondsd asked Nov 12, 2022

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29 votes

If
x + 2y = 1
X– 2y = 13
then y =

Mathematics
high-school

Irondsd asked Nov 12, 2022

by Irondsd

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1 Answer

12 votes

Answer:

y = -3

Explanation:

x + 2y = 1 then x = 1 - 2y

x– 2y = 13

substitute for x:

1 - 2y - 2y = 13

simplify:

-4y = 12

y = -3

x = 7

Sudharsan Thumatti answered Nov 19, 2022

by Sudharsan Thumatti

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