Question 653736
{{{2x+7+3x=5x+7}}} Start with the given equation.



{{{5x+7=5x+7}}} Combine like terms on the left side.



{{{5x=5x+7-7}}} Subtract {{{7}}} from both sides.



{{{5x-5x=7-7}}} Subtract {{{5x}}} from both sides.



{{{0x=7-7}}} 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.