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1 vote
4) If – 15 – 9x = 21, then x = _?
A) {-4}
B) (-2)
C) {6}
D) {-3}

User Edigu
by
5.8k points

2 Answers

1 vote

Answer:

Explanation:

-15 - 9x = 21

-9x = 36

x = -4

answer is A

User Jacob Parker
by
7.2k points
2 votes

Answer:

x = -4

Explanation:

– 15 – 9x = 21

Add 15 to each side

– 15+15 – 9x = 21+15

-9x = 36

Divide by -9

-9x/-9 = 36/-9

x = -4

User Emmanuel Delay
by
7.7k points