Systems of Elimination Warm Up 11-18-21

4x+8y=20

-4x+2y=-30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

• (2, -2)

• (2, 2)

• (-2, 2)

• (-2, -2)

What is the solution to this system of equations?

• (4, -1)

• (-1, 4)

• (-4, 1)

• (-4, -1)

What is the first step in solving a system of equations by elimination?

• Get both equations in standard form and line up the like terms.

• Get both equations in slope-intercept form.

• Get both equations equal to zero.

• Put the x terms first.

A system of linear equations is... 

• Math Magic

• One Equation

• Always more than 2 equations

• A set of 2 or more equations