Question

x+x+x+x-12=x+x-2
porfa ayuda​

Answer 1

x + x + x + x - 12 = x + x - 2

4x  - 12 = 2x + 2

4x - 2x  = 12 + 2

2x = 14

x = 14/2

x = 7

          Eternamente

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