angel5314 angel5314

18-05-2023
Mathematics

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George solved the equation -103 = -2(-7x + 7) + 8x as follows:

-103 = -2(-7x + 7) + 8x

Step 1: -103 = 14x + 7 + 8x

Step 2: -103 = 22x + 7

Step 3: -110 = 22x

Step 4: -5 = x

At which step did he make an error?

Explain the error:

Respuesta :

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