Elimination Method

What is the first step to solve the system:
7x - 9y = 29

7x + 2y = - 15

• Subtract the Equations

• Add the Equations

• Multiply 1 Equation

• Multiply Both Equations

What is the first step to solve the system?

2x + y = 1

-2x - 3y = 5

• Add the equations

• Subtract the equations

• Multiply one Equations

• Multiply Both Equations

What is the first step to solve the system?

2x - 10y = 0

4x - 6y = 14

• Add the equations

• Subtract the equations

• Multiply One Equation

• Multiply Both Equations

What would you multiply the 1st equation by to create the same coefficients?

2x - 10y = 0

4x - 6y = 14

What would be the first step to solve the system?

2x + 3y = -1

3x + 4y = -4

• Add the equations

• Subtract the equations

• Multiply One Equation

• Multiply Both Equations

What would you multiply by to create opposite coefficients?

2x - 10y = 8

-6x - 6y = 10