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OpenStudy (sofiaduque):
simplify the expression -(3x-4)
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OpenStudy (skullpatrol):
property of the opposite of a sum $$-(a+b)=(-a)+(-b)$$ the opposite of a sum real numbers is equal to the sum of the opposites of the numbers
OpenStudy (skullpatrol):
When you find the opposite of a sum or a difference, you change the sign of each term of the sum or difference.
OpenStudy (skullpatrol):
Also since -a = -1a -(3x-4) = -1(3x-4)
OpenStudy (kevin):
you need to multipy '-' to the number in parenthesis.
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