Question

conta de adição e subtraçao de monomios a- (7x)+(-3x)= b- (-8x)+(+11x)= c- (5x)+(-5x)= d- (6x)+(-4x)= e- (-9y)-3y-2y= f- (3n)+(-8n)+(4n)-(-5n)-(-n)= g- 8xy-4xy+4xy-8xy=

Answer 1

a)7x+3x=10x b)-8x+11x=3x c)5x-5x=10x d)6x-4x=10x e)-9y-3y-2y=14y f) 3n-8n+4n-5n-n=20 g)24xy