khadine
khadine khadine
  • 09-10-2020
  • Mathematics
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-3z-1=1-7z simplify​

Respuesta :

Space
Space Space
  • 09-10-2020

Answer:

z = 1/2

Step-by-step explanation:

Step 1: Write equation

-3z - 1 = 1 - 7z

Step 2: Solve for x

  1. Add 7z to both sides: 4z - 1 = 1
  2. Add 1 to both sides: 4z = 2
  3. Divide both sides 4: z = 1/2

Step 3: Check

Plug in z to verify it's a solution.

-3(1/2) - 1 = 1 - 7(1/2)

-3/2 - 1 = 1 - 7/2

-5/2 = -5/2

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