Final answer:
The expression 5.7y + 2x-3y simplifies to 2.7y + 2x.
Step-by-step explanation:
The given expression is 5.7y + 2x-3y. To simplify this expression, first combine like terms. The y terms can be combined by subtracting 3y from 5.7y, which gives 2.7y. The x term, 2x, remains unchanged. Therefore, the simplified expression is 2.7y + 2x.
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