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Mathematics, 09.12.2020 21:00 CoolDudeTrist

2x + 4y = 6
x - 4y = 8

which of the following is an equivalent equation:

a. 4x + 4y = 12
x - 4y = 12

b. 2x + 4y = 6
3x - 12y = 8

c. 10x + 20y = 30
x - 4y = 8

d. 2x + 4y = 6
2x - 8y = 8

it’s not d or a

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2x + 4y = 6
x - 4y = 8

which of the following is an equivalent equation:
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