Question 566116
{{{-(4a-7)-5a=10+a}}} Start with the given equation.



{{{-4a+7-5a=10+a}}} Distribute.



{{{-9a+7=10+a}}} Combine like terms on the left side.



{{{-9a=10+a-7}}} Subtract {{{7}}} from both sides.



{{{-9a-a=10-7}}} Subtract {{{a}}} from both sides.



{{{-10a=10-7}}} Combine like terms on the left side.



{{{-10a=3}}} Combine like terms on the right side.



{{{a=(3)/(-10)}}} Divide both sides by {{{-10}}} to isolate {{{a}}}.



{{{a=-3/10}}} Reduce.



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Answer:


So the solution is {{{a=-3/10}}} 

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