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- ( - 3x - 9y - 49)

User Dangh
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Expand the following:

-(-3 x - 9 y - 49)

-(-49 - 3 x - 9 y) = -(-49) - -3 x - -9 y:

-(-49) - -3 x - -9 y

-(-49) = 49:

49 - -3 x - -9 y

-(-3) = 3:

49 + 3 x - -9 y

-(-9) = 9:

Answer: 49 + 3 x + 9 y

User Demiton
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