Respuesta :

Answer:

- 5.25x + 12.5

Step-by-step explanation:

given the expression

1.25(3x + 4) - 9x + 7.5 ← distribute parenthesis by 1.25

= 3.75x + 5 - 9x + 7.5 ← collect like terms

= (3.75x - 9x) + (5 + 7.5)

= - 5.25x + 12.5

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