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I need help with 11, 12, and 13

I need help with 11, 12, and 13-example-1
User Singhswat
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1 Answer

7 votes
11] 6x + 9y = 20
Multiply both sides by 2.

12] 14y - 7x = 0 (can be simplified to 2y - x = 0 by dividing by 7)
Multiply both sides by 6.

13] 4y - 10x = 6
Multiply both sides by 3,

Hope this helps
User Asharali V U
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