What expressions are equivalent to 42x - 14y

Step-by-step explanation:

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When 42(x + 14y) is simplified:

42(x + 14y)

Expand and remove the brackets. Remember brackets mean to multiply.

42*x

42x

42*14y

588y

42x+588y

Therefore 42x-56 is NOT EQUIVALENT to 42(x + 14y) but is equivalent to 42+588y

Step-by-step explanation:

Explanation:

We add the percentage odds for winning $50 and $500, which are 20% and 15% respectively

20+15 = 35

20% + 15% = 35%

To get the combined odds, we add as we normally would, but we tack a percentage sign at the end. We're able to add the odds because the events "winning $50" and "winning $500" are mutually exclusive. There is no way for both events to happen simultaneously.