Answer
$a=19$
Work Step by Step
$6(2a-1)-(11a+6)=7$
$12a-6-11a-6=7$
$a-12-7=0$
$a-19=0$
$a=19$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.