Answer:
-7
Step-by-step explanation:
substitute both x's for 7:
(-8(7)+4)+ (3(7)2+5)
= -54 + 47
= -7
Answer:
i dont know
Step-by-step explanation:
that is too hard
Answer:
is the solution to the equation: 
The statement is true.
Option A is correct.
Step-by-step explanation:
We need to determine if
is the solution to the equation: 
Solving the equation first to find value of x

Combining like terms:

Subtracting 2x on both sides

Now, subtracting 12 on both sides

Divide both sides by -6

So, we get
Therefore we can say that
is the solution to the equation: 
The statement is true.
Option A is correct.
If you mean just the sum, it's 1,615.
Answer:
15/x=1/3
Step-by-step explanation:
The quotient of 15 and a number=15/x=1/3
15/x=1/3