- Ejercicio 8
ejercicios basta realizar la suma algebraica de los coeficientes de los
términos que tengan la misma parte literaria:
-
8 a – 6 a = 2 a
-
6 a – 8 a = – 2 a
-
9 a b – 15 a b = – 6 a b
-
15 a b – 9 a b = 6 a b
-
2 a – 2 a = 0
-
– 7 b + 7 b = 0
-
– 14 x y + 32 x y = 18 x y
-
– 25 x
2
y + 32 x
2
y = 7 x
2
y
-
40 x
3
y – 51
x
3
y = – 11 x
3
y
-
–
m
2
n + 6
m
2
n = 5
m
2
n
-
– 15 x y + 40 x y = 25 x y
-
55
a
3
b
2
– 81
a
3
b
2
= – 26
a
3
b
2
-
–
x
2
y +
x
2
y = 0
-
– 9 a
b
2
+ 9 a
b
2
= 0
-
7
x
2
y – 7
x
2
y = 0
-
– 101 m n + 118 m n = 17 m n
-
502 a b – 405 a b = 97 a b
-
– 1024 x + 1018 x = – 6 x
-
– 15 a b + 15 a b = 0
-
1
2
a –
3
4
a =
2 a – 3 a
4
= –
1
4
a
-
3
4
a –
1
2
a =
3 a – 2 a
4
=
a
4
-
5
6
a
2
b –
5
12
a
2
b =
10
a
2
b – 5
a
2
b
12
=
5
a
2
b
12
-
–
4
7
x
2
y +
9
14
x
2
y =
– 8
x
2
y + 9
x
2
y
14
=
x
2
y
14
-
3
8
a m –
5
4
a m =
3 a m – 10 a m
8
=
– 7 a m
8
-
– a m +
3
5
a m =
– 5 a m + 3 a m
5
= –
2 a m
5
-
5
6
m n –
7
8
m n =
21 m n – 20 m n
24
= –
m n
24
-
–
a
2
b +
3
11
a
2
b =
– 11
a
2
b + 3
a
2
b
11
= –
8
a
2
b
11
-
3.4
a
4
b
3
– 5.6
a
4
b
3
= – 2.2
a
4
b
3
-
– 1.2 y z + 3.4 y z = 2.2 y z
-
4
a
x
– 2
a
x
= 2
a
x
-
– 8
a
x + 1
+ 8
a
x + 1
= 0
-
25
m
a – 1
– 32
m
a – 1
= – 7
m
a – 1
-
–
x
a + 1
+
x
a + 1
= 0
-
–
1
4
a
m – 2
+
1
2
a
m – 2
=
–
a
m – 2
+ 2
a
m – 2
4
=
a
m – 2
4
-
5
6
a
m + 1
–
7
12
a
m + 1
=
10
a
m + 1
– 7
a
m + 1
12
=
3
a
m + 1
12
=
a
m + 1
4
-
4
a
2
–
1
3
a
2
=
12
a
2
–
a
2
3
=
11
a
2
3
-
– 5 m n +
3
4
m n =
– 20 m n + 3 m n
4
= –
17 m n
4
-
8
a
x + 2
b
x + 3
– 25
a
x + 2
b
x + 3
= – 17
a
x + 2
b
x + 3
-
–
7
8
a
m
b
n
+
a
m
b
n
=
– 7
a
m
b
n
+ 8
a
m
b
n
8
=
a
m
b
n
8
-
0.85 m x y –
1
2
m x y = 0.85 m x y – 0.5 m x y = 0.35 m x y