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Use elimination to solve the system x plus 7y equals 16 and 3x - 7y equals 4?

Anonymous

∙ 14y ago

Updated: 4/28/2022

x+7y=16 ---------------------------1

3x- 7y=4 ---------------------------2

------------------------------------------------------------------------------------------------------------------

1+2

x+7y=16

3x-7y=4

4x=20

x=5

substitute x = 5 in x+7y=16

(5)+7y=16

7y=11

y=11/7

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∙ 14y ago

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