Solving systems by elimination

Presentation

•

Mathematics

•

7th - 9th Grade

•

Easy

•

CCSS

8.EE.C.8B, HSA.REI.C.6

Standards-aligned

Nicolle Johnston

Used 14+ times

FREE Resource

4 Slides • 3 Questions

Solving systems by elimination

Get ready!

Poll

How confident are you in solving equations using elimination?

Super confident

So-So

Meh--not confident

Today, we will be reviewing how to solve systems of equations using elimination

eliminination means to cancel out
always look for opposites
when there are no opposites, you will have to multiply both equations in order to cancel out a variable

Multiple Choice

-4x - 2y = -12

4x + 8y = -24

(6,-6)

(4, -6)

Multiple Choice

7x + 2y = 24

8x + 2y = 30

(-6, -9)

(6, -9)

(6, 9)

Solving systems by elimination

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