Question

Reduza os termos semelhantes:

A) 5x-2y+3x+7y


b)3a²+2a+1-5a²+a²-3


c) 7x-z-3x+5z-4x

Answer 1

a) 5x+3x-2y+7y
8x-5y
3xy
b)3a+a+-5a+2a+1-3
4a-5a
1a +2a+1-3
1a+2a+-2
as outras agora vc é capaz rsrs

Answer 2

Basta somarmos as igualdades:

A) 5x-2y+3x+7y
5x+3x+7y-2y
7x + 5y


b)3a²+2a+1-5a²+a²-3
3a²-5a²+a²+2a+1-3
-a² + 2a + -2

c) 7x-z-3x+5z-4x
7x-3x-4x+5z-z 
4z