Respuesta :

Answer:

11.7 - 12y

Step-by-step explanation:

1. Open parenthesis

3 - 4y - 8y + 8.7

2. Combine like terms

11.7 - 12y

The answer is 11.7 - 12y

Hope this helps :)

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Remove parentheses.
3

4
y

8
y
+
8.7
3
-
4
y
-
8
y
+
8.7
Add
3
3
and
8.7
8.7
.

4
y

8
y
+
11.7
-
4
y
-
8
y
+
11.7
Subtract
8
y
8
y
from

4
y
-
4
y
.

12
y
+
11.7