Question

ajuda entregar hoje as 4.

pfvr​

Answer 1

Resposta:

a ) 9x

b ) - 10x

c ) 15y

d ) 14a

e ) 15x ao quadrado

f ) - 2xy

g ) 6y

Answer 2

Resposta:

a) 3x+6x= 9x

b) -2x-8x= 10x

c)5y+10y=15y

d)a+3a+10a= 14a

e)7x²+2x²-6x²= 3x²

f)20xy-17xy-5xy=-2xy

g)12y+3y-9y= 6y