aiden17reyes aiden17reyes
  • 07-04-2020
  • Mathematics
contestada

7x + 5 = 3x - 15
solve for x​

Respuesta :

Laktoz
Laktoz Laktoz
  • 07-04-2020

7x +5 = 3x -15

4x = -20

x = -5

Answer Link
130333
130333 130333
  • 07-04-2020

Answer:

7x+5=3x-15 x=-5

Step-by-step explanation:

Subtract from both sides

7x+5-5=3x-15-5

{Simplify}

7x=3x-20

{Subtract}{3x from both sides}

7x-3x=3x-20-3x

{Simplify}

4x=-20

Divide both sides by 4

4x over 4= -20 over 4

 {Simplify}  

  x=-5

Answer Link

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