Algebra 1 1-3

adding and subtracting

100

7y-6=21

y=4.0

200

3u-2(4-3u)=7-2u

u=15/11

300

6w-4(2w-3)=2(6-w)

0=0 

infinity 

fractions

100

(3x/4-2)=2(x/3+3)

x=96

200

x/2+3=3x/4-2

x=20

300

5(2y/3 +1)=3(y/2 -2)

y=-6

other?

100

solve x+2<4

and plot on number line 

x<2

200

what is an rational number?

give an example

A rational number is any number that can be written as a fraction of two integers

300

what is an irrational number?

give example  

An irrational number is a real number that cannot be expressed as a simple fraction of two integers