How do you simplify #-( 5x - 3y ) - [ ( 7x + 6y ) - ( 5x + 9y ) ]#?

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Answer 1 · 2018-06-16T17:24:15

#-(7x-6y)#

As per the question, we have

#-(5x-3y)-[(7x+6y)-(5x+9y)]#

#=-5x+3y-(7x+6y-5x-9y)#

#=-5x+3y-(2x-3y)#

#=-5x+3y-2x+3y#

#=-7x+6y#

#=-(7x-6y)#

Hence, the answer.