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What is value of x 11x plus 9 equals 7x plus 21?

Updated: 12/9/2022

Wiki User

∙ 13y ago

Best Answer

11x+9=7x+21

11x-7x=4

4x+9=21

21-9=12

4x=12

12 divided by 4= 3

x=3

Wiki User

∙ 13y ago

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