Respuesta :

dalendrk
2x + 23 + 7 = x + 22  |combine items

2x + 30 = x + 22    |subtract 30 from both sides

2x = x - 8    |subtract x from both sides

x = -8

dasetka
2x + 23 + 7 = x + 22   Combine like terms (23 + 7)
      2x + 30 = x + 22   Subtract x from both sides
        x + 30 = 22         Subtract 30 from both sides
                x = -8

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