128k views
2 votes
If Y= 5x-7, determine the value of y when x=-3

User Icaksama
by
5.4k points

2 Answers

0 votes

Answer:

y=-22

Explanation:

plug in -3 to the x

multiply 5 * -3

you get -15

then add -7 or subtract ti doe not matter if your past number was a negative

then you get -22

User Semibruin
by
5.0k points
5 votes

Answer: y = -22

Step-by-step explanation: To find the value of y when x is equal to -3, we simply substitute a -3 in for x in the given equation.

So we have y = 5(-3) - 7.

Notice that I used parentheses when I substituted the -3

into the equation. That's a really good habit to get in.

Now, 5(-3) is -15.

So we have -15 (-7) which is -22.

This means that y = -22.

User Serkan Hekimoglu
by
5.3k points