x squared +3(x+1)=x+11+x squared

x²+3(x+1) = x+11+x²

Please solve problem and tell me what x is.  Please show me your work so I can see how you got it.  Thanks

in Pre-Algebra Answers by Level 1 User (120 points)

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1 Answer

x^2 + 3(x + 1) = x + 11 + x^2
x^2 + 3x + 3 = x + 11 + x^2
3x + 3 = x + 11
3x - x = 11 - 3
2x = 8
x = 8 / 2
x = 4

by

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