Respuesta :

adioabiola

Based on the given situation, Max final number if his starting number is 7 is -4.5

Algebra

  • Unknown number = n

  • He adds 8

n + 8

  • then doubles the sum

2(n + 8)

  • starting number = 7

So,

2(n + 8) = 7

2n + 16 = 7

2b = 7 - 16

2n = -9

n = -9/2

n = -4.5

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