Question

simplifique as expressões

a)2x + 15x
b)3( y + 2) + 4y
c)-3(3 + z) + 2z
d)8(a + 7) - 2 (a - 3)
................9...............2
e)2(4x + -- ) - ( x + -- )
................2...............3

Answer 1

Resposta:

a)17x

b)13y

c)11z

d)67a

e)94x =47x