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Mathematics 17 Online
OpenStudy (anonymous):

[5(y-3)+9]-[2(y+4)-10] remove the parentheses and simplify

jimthompson5910 (jim_thompson5910):

[5(y-3)+9]-[2(y+4)-10] [5y-15+9]-[2y+8-10] 5y-15+9-2y-8+10 (5y-2y)+(-15+9-8+10) 3y-4 So [5(y-3)+9]-[2(y+4)-10] = 3y-4

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