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7 + 2x = 11 + x
Combine like terms by subtracting the 7 from both sides.
7 + 2x = 11 + x
-7 -7
This will leave you with 2x = 4 + x. Again, combine like terms, this time subtracting the x from both sides.
2x = 4 + x
-x -x
This will now leave you with 1x = 4. 1x and x are equivalent, so you can just forget about the one, leaving you with x = 4 as your final answer.
Hope this helped.
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∙ 12y ago
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