Question

-(5а-3)-(7а+(3а-(1-а))) как это решить?

Answer 1

-(5а-3)-(7а+(3а-(1-а)))=

-5а+3-7а-3а+1-а=4-16a;

Answer 2

- (5a - 3) - (7a + (3a - (1 - a))) = - 5a + 3 - (7a + (3a - 1 + a)) =

= - 5a + 3 - (7a + 4a - 1) = - 5a + 3 - 11a + 1 = - 16a + 4