Question

1)Efetue as operações com monônus:
3. 3
A)17x y-6x y=
6 3
B)(-35x ):(7x )=
3 4 2
C)(-5a b ).(3 a )=
2 2
D)6xy - 5 x y=

Answer 1

A) 17xy - 6xy = 63

11xy = 63

xy = 63\11  

b) (-35x) : 7x = 342

-5x = 342

x = - 342\5

c) (-5ab) . (3a) =22

-15a²b = 22

a²b= - 22\15

d) 6xy - 5xy =

xy