Respuesta :
Answer:
5a + 9 + 2b
Step-by-step explanation:
(3a + 2a) + (4 + 5) + (b + b)
5a + 9 + 2b
Add
3
a
3
a
and
2
a
2
a
.
5
a
+
4
+
b
+
5
+
b
5
a
+
4
+
b
+
5
+
b
Add
4
4
and
5
5
.
5
a
+
b
+
9
+
b
5
a
+
b
+
9
+
b
Add
b
b
and
b
b
.
5
a
+
2
b
+
9
5
a
+
2
b
+
9
3
a
3
a
and
2
a
2
a
.
5
a
+
4
+
b
+
5
+
b
5
a
+
4
+
b
+
5
+
b
Add
4
4
and
5
5
.
5
a
+
b
+
9
+
b
5
a
+
b
+
9
+
b
Add
b
b
and
b
b
.
5
a
+
2
b
+
9
5
a
+
2
b
+
9