Solve and show work.3a-4a+9=-12a+43-6a
A=2
First simplify
Regroup terms
Simplify
Subtract 9
Addc18a
Divide both side by 17
Simplify 34/17
\(3a-4a+9=-12a+43-6a\)\(-a+9=-12a+43-6a\)\(-a+9=-18a+43\)\(-a+9+18a=43\)\(17a+9=43\)\(17a=43-9\)\(17a=34\)\(a=34:17\)\(a=2\)The answer is: a=2
