Answer:
a= - or -3.33
Explanation:
subtract 11 on both sides; 27-11=16
divide both sides by -3
add 2 on both sides
a=
3.3 recurring
1) expand bracket
11-3a+6=27
2)rearrange equation
11+6=27+3a
11+6-27=3a
17-27=3a
-10=3a
-10/3=a
a=3.3 recurring
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