Answer:
10c-40d+30
Step-by-step explanation:
( 2 )( 15 + -20d + 5c )
( 2 ) ( 15 ) + ( 2 ) ( -20d ) + ( 2 ) ( 5c )
30 - 40d + 10c
Answer:
The statement 
is a tautology.
Step-by-step explanation:
We have the following statement:
To reduce the statement to a tautology we need to use the table of logical equivalences as follows:
by the the logical equivalence involving conditional statement.
by the the logical equivalence involving conditional statement.
by the Associative law.
by the Negation law.
by the Domination law.
<span>0=10, which is " never true" , and this leads to " no solution" also</span>
Answer:
y = -2x + 3
Step-by-step explanation:
5 x -2 + 3 = -7
3 x -2 + 3 = -7
9 x -2 + 3 = 1
-3 x -2 + 3 = 9
You just have to test all of the options, everything, out and pick what fits.
Hope that helps!
