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-3(-3x-7)=48 please show work

2 Answers

5 votes

Answer:

−3(−3x−7)=48

Divide both sides by −3.

−3x−7= 48

​ Divide 48 by −3 to get −16.

−3x−7=−16

Add 7 to both sides.

−3x=−16+7

Add −16 and 7 to get −9.

−3x=−9

Divide both sides by −3.

x= −3 −9

​ Divide −9 by −3 to get 3.

x=3

Explanation:

User Grant Li
by
3.4k points
1 vote

Answer:

  • x = 3

Explanation:

  • -3(-3x - 7) = 48
  • => 9x + 21 = 48
  • => 9x = 48 - 21
  • => 9x = 27
  • => x = 3

Conclusion:

Therefore, the answer is 'x = 3'.

Hoped this helped


BrainiacUser1357

User HenningJ
by
3.6k points