49.2k views
2 votes
15 - 5b = -10b - 20​

2 Answers

4 votes

Answer:

b = -7

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

User Djeina
by
8.1k points
3 votes

Answer:

Explanation:

15 - 5b = -10b - 20

15- 5b +10b = -10b +10b - 20

15 + 5b= -20

15 - 15 + 5b = -20 + -15

5b = -35

b = -7

User Snorpey
by
8.4k points
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