X=9 -12 divided by -4 is -3, so you get -3x=-27. When you divide -27 by -3 you get positive 9. Thus making X=9
Answer:
Go with what you know.
Step-by-step explanation:
:)
Answer: second option.
Step-by-step explanation:
Let be "x" the unknown number.
According to the information provided in the exercise, 10 is the result of the subtraction of "x" and -5.
Based on this, you can write the following equation:

To find the value of "x" you must remember the multiplication of signs:

Then:

Finally, subtracting 5 from both sides of the equation, you get:

Answer:
If you want free points go to my questions
Step-by-step explanation:
Answer:
38 + S - 10 = 2S - 20
Collect like terms
38 - 10 + 20 = 2S - S
48 = S
Son is 48 years old
Father is 86 years old.
Step-by-step explanation: