Answer:
x = - 12
Step-by-step explanation:
1
(
8
+
+
4
)
=
0
1(8+x+4)=0
1(8+x+4)=0
Solve
1
Add the numbers
1
(
8
+
+
4
)
=
0
1
(
1
2
+
)
=
0
2
Rearrange terms
3
Multiply by 1
4
Subtract
1
2
12
12
from both sides of the equation
5
Simplify
Hope this helps :)