Answer: 29/4
Step-by-step explanation:
Answer:
3b/20+4
Step-by-step explanation:
-2 + 2/5b - 1/4b + 6
Combine 2/5b and 1/4b to get 3/20b
-2 + 3/20b + 6
Add −2 and 6 to get 4.
4+3/20b
Answer:
Step-by-step explanation:
The determinant of a matrix is a special number that can be calculated from a square matrix.
...
To work out the determinant of a 3×3 matrix:
Multiply a by the determinant of the 2×2 matrix that is not in a's row or column.
Likewise for b, and for c.
Sum them up, but remember the minus in front of the b.
0 is the difference
<span>|-5| = 5
5 - (-5) = 0
</span>
Answer:

Step-by-step explanation:
General equations are in the form 
So you can add 6 to both sides to make:
