3.4 balance method

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WiskundeMiddelbare schoolhavo, vwoLeerjaar 2

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Slide 1 - Diapositive

Slide 2 - Diapositive

Today
I am able to us the balance method to solve equations.

Slide 3 - Diapositive

Manipulating equations
What is an equation?

How can we manipulate equations? 
We use the balance method.

Slide 4 - Diapositive

Solve for x, show your work:

2x=20

Slide 5 - Question ouverte

Solve for x, show your work:

3x2=19

Slide 6 - Question ouverte

Solve for x, show your work:

2=5x+23

Slide 7 - Question ouverte

The next step
Consider the equation

We've just solved

How can we turn that new situation into the known situation?
2+x=6x+23
2=5x+23

Slide 8 - Diapositive

Solve for x, show your work:

2x+3=2x+25

Slide 9 - Question ouverte

Go, go, go!


42, 45*, 46, 49*, 53*, 54*, 57, 58*, 61*, 62+, 64*, 67*

timer
10:00

Slide 10 - Diapositive