tlsapollyon
tlsapollyon tlsapollyon
  • 17-11-2020
  • Mathematics
contestada

Which step in the solution contains the first error?

Which step in the solution contains the first error class=

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sqdancefan
sqdancefan sqdancefan
  • 02-01-2021

9514 1404 393

Answer:

  Step 4

Step-by-step explanation:

In Step 1, the first equation is correctly multiplied by 2.

In Step 2, the two equations from step 1 are correctly added.

In Step 3, the value of x is correctly determined by dividing by 11.

In Step 4, the value of x is incorrectly substituted for y in the original first equation.

The first error is in Step 4.

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