Question

Use elimination to find the solution to the system of equations. 9x+2y=-45 2x+6y=-10

Answer 1

@iGreen

Answer 2

**elimination**
\(9x+2y=-45 💙 \\ 2x+6y=-10 💚\)

\(27x+6y=-135 💙 [i.e. \times 3]\\ 2x+6y=-10 💚 \)

\(27x+6y=-135 💙\\ -2x-6y=+10 💚 [i.e. \times -1]\)

now what is 💙 + 💚 ????

Answer 3

145?

Answer 4

@Irishboy123

Answer 5

\(\{27x+6y=-135\} \\ + \\\{ -2x-6y=+10\}\)