Answer:
0
Step-by-step explanation:
4
(
−
7
)
=
4
−
2
8
4(x-7)=4x-28
4(x−7)=4x−28
Solve
1
Distribute
4
(
−
7
)
=
4
−
2
8
4
−
2
8
=
4
−
2
8
2
Add
2
8
28
28
to both sides of the equation
4
−
2
8
=
4
−
2
8
4
−
2
8
+
2
8
=
4
−
2
8
+
2
8
3
Simplify
Add the numbers
Add the numbers
4
=
4
4
Subtract
4
4x
4x
from both sides of the equation
4
=
4
4
−
4
=
4
−
4
5
Simplify
Combine like terms
Combine like terms
0
=
0
Result
0
=
0
The input is an identity: it is true for all values
