Answer:
a=4
Explanation:
3-27a+22a=4a-18-15
3-5a=4a-33
3=4a+5a-33
3+33=9a
36=9a
a=36/9
a = 4
1. Expand
2. Simplfy
3. Add 5a to both sides.
4. Simplify again
5. Add 33 to both sides.
6. Divide both sides by nine
7. Switch the sides up.
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