Question 554562
{{{7a-3a=a}}} Start with the given equation.



{{{4a=a}}} Combine like terms on the left side.



{{{4a-a=0}}} Subtract {{{a}}} from both sides.



{{{3a=0}}} Combine like terms on the left side.



{{{a=(0)/(3)}}} Divide both sides by {{{3}}} to isolate {{{a}}}.



{{{a=0}}} Reduce.



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Answer:


So the solution is {{{a=0}}}