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31 votes
31 votes
Helpp what is

3(1-9a)+22a=2(2a-9)-15

User Nielsvh
by
2.4k points

2 Answers

14 votes
14 votes

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

User Ncerezo
by
3.1k points
17 votes
17 votes

Answer:

a = 4

Explanation:

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.

User Steve Gibson
by
2.8k points