Indicator 16 System of Equations.

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Indicator 16 System of Equations

Method 2: Substitution

Example 1 Find the solution of the system using substitution. y=6x-11 -2x+y=-3

Example 2 Find the solution of the system using substitution. -4x+y=6 -5x-y=21

Example 3 Find the solution of the system using substitution. Does the system have one solution, infinitely many solutions, or no solutions. y= 1 2 x+3 2y-x=6

Example 4 Find the solution of the system using substitution. Does the system have one solution, infinitely many solutions, or no solutions. x+7y=34 x+7y=32

Method 3: Elimination

Example 1 Find the solution of the system using elimination. 3x+y=-14 -2x-y=-9

Example 2 Find the solution of the system using elimination. -3x+2y=23 5x+2y=-17

Example 3 Find the solution of the system using elimination. Does the system have one solution, infinitely many solutions, or no solutions. 3x+4y=24 6x+8y=24

Example 4 Find the solution of the system using elimination. Does the system have one solution, infinitely many solutions, or no solutions. 2x-5y=17 6x-15y=51