anthonyj6391 anthonyj6391
  • 06-10-2020
  • Mathematics
contestada

A. 3x − 7 = −19; x =

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 06-10-2020

Answer:

x =-4

Step-by-step explanation:

3x − 7 = −19

Add 7 to each side

3x − 7+7 = −19+7

3x = -12

Divide by 3

3x/3 = -12/3

x =-4

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DemonicBrain
DemonicBrain DemonicBrain
  • 06-10-2020
Work it backwards: -19+7=-12 so that means we do -12/3 next and it equals -4, so your answer is x=-4
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