Solve -8x +Y=23 and -x+6y=-3 using substitution method
1 answer:
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Answer: Second option
Step-by-step explanation:
You need to make the multiplication of the function and the function
. Then:
You need to apply the Distributive property:
Therefore, the domain will be all the number that make the denominator equal to zero.
Then, make the denominator equal to zero and solve for x:
Therefore, the domain is: All real values of x except
Answer: -3
Step-by-step explanation:
-4 +
can be written as
x
which is the same as 2
Also , can be written as
x
, which is the same as 5
Substituting into the main question , we have
-4 (2 ) + 5
= -8 + 5
= -3