Question

3- Simplifique as Expressões

a)4x+13x. c)5(z+3)+10z-2z

b)3(y-2)+8y. d)9(a+3)-2(a-3)

Answer 1

a)4x+13x=
17x

b)3(y-2)+8y=
3y-6+8y=
3y+8y-6=
11y-6

c)5(z+3)+10z-2z
5z+15+10z-2z
5z+10z-2z+15
13z+15

d)9(a+3)-2(a-3)
9a+27-2a+6
9a-2a+27+6
7a+33