Answer:
x=15
Step-by-step explanation:
6x+15=7x
15=x
Answer:
x = -60
Step-by-step explanation:
1/3x=−20
X is 1/3
X times 3 = a full X
Fill it in
X times -20 = -60
Hope this helps :)
Answer:
es tal vez otra vez se repite la pregunta
The determinant is C. -541.
Using a cofactor expansion along the first row:

<span>0xBED is an hexadecimal representation.
Transforming to decimal first:
B => 11
E => 14
D => 13
</span>

<span>Now by successive devisions, we get the base three:
</span>

<span>And the resulting base three expression:
</span>

<span>
</span>