Finally, solve for the value of y when x=−10. What is −10−7?

y=2x+3
y=x−7

x
−10
=

y
=
x

7
y
=
−10

7
y
=

1 answer

To find the value of \( y \) when \( x = -10 \), we can use the equation \( y = x - 7 \).

Substituting \( x = -10 \) into the equation:

\[ y = -10 - 7 \]

Now, calculate:

\[ y = -17 \]

Thus, when \( x = -10 \), the value of \( y \) is

\[ y = -17 \]