1. Elimination Method: Solve the linear system. -8x + 3y=12 8x - 9y=12

2. -6 Yes! Inverse terms Add the two equations together so that one variable is ELIMINATED. Solution: (, ) Solve the linear system. + 3y=12 - 9y=12 Do you have inverse or identical terms? -8x 8x Inverse terms: Add -6y=24 Now, solve for the remaining variable. y =

3. Elimination Method: Solve the linear system. -8x + 3y=12 8x - 9y=12 Solution: (, -4 ) Substitute value into one of the original equations. -8 x + 3 y -4 =12 () Solve. -8 x + -12 =12 +12 -8 x =24 -8 x =

4. Elimination Method: Solve the linear system. -8x + 3y=12 8x - 9y=12 Solution: ( -3, -4 ) Check!!!!! 8 - 9y =12 -24 + 36 =12 12 =12 x () () -3-4