Question 553781
{{{5x+6+6x=10x+6+x}}} Start with the given equation.



{{{11x+6=10x+6+x}}} Combine like terms on the left side.



{{{11x+6=11x+6}}} Combine like terms on the right side.



{{{11x=11x+6-6}}} Subtract {{{6}}} from both sides.



{{{11x-11x=6-6}}} Subtract {{{11x}}} from both sides.



{{{0x=6-6}}} Combine like terms on the left side.



{{{0x=0}}} Combine like terms on the right side.



{{{0=0}}} Simplify.



Since this equation is <font size=4><b>always</b></font> true for any x value, this means x can equal any number. 


So there are an infinite number of solutions.



So the equation is an identity.



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