Is (


9,

10) a solution to this system of equations?
17x–17y=17
6x–4y=

14

1 answer

To determine if the point \((-9, -10)\) is a solution to the given system of equations, we can substitute \(x = -9\) and \(y = -10\) into both equations and check if they hold true.

The given equations are:

  1. \(17x - 17y = 17\)
  2. \(6x - 4y = -14\)

Let's check the first equation:

\[ 17(-9) - 17(-10) = 17 \] Calculating the left side:

\[ -153 + 170 = 17 \]

This simplifies to:

\[ 17 = 17 \]

So the first equation is satisfied.

Now let's check the second equation:

\[ 6(-9) - 4(-10) = -14 \] Calculating the left side:

\[ -54 + 40 = -14 \]

This simplifies to:

\[ -14 = -14 \]

So the second equation is also satisfied.

Since both equations are satisfied, the point \((-9, -10)\) is indeed a solution to the system of equations.