Question

4) Some algebricamente as expressões a seguir
a) x+x+x+x:_____
b) 4z-4z-4z:_____
c) 2xy-10xy :______
d) 3b-4b+10b :______
e) -12f-4b+10f :_____
g) -az-az-az-az :_____
h) -6x-5x-10x-8x :_____​

Answer 1

a) x+x+x+x = 4x

.

b) 4z-4z-4z = -4z

.

c) 2xy-10xy = -8xy

.

d) 3b-4b+10b = 9b

.

e) -12f-4b+10f = -4b -2f

.

g) -az-az-az-az = -4az

.

h) -6x-5x-10x-8x = 29x