Respuesta :

Answer:

D) - 2.2y - 1.8

Step-by-step explanation:

Given expression;

1.2y + 4.5 - 3.4y - 6.3

simplify the expression by collecting like terms

= (1.2y - 3.4y) + (4.5 - 6.3)

= -2.2y - 1.8

Therefore, the correct option is D.

D) - 2.2y - 1.8

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