Enter Title

linear equations

100

3(x+8)=36

x=4

200

4(x+8)=36

x=1

300

4(x+8)=40

x=2

400

4(x+8)=-40

x=-18

500

4(x-8)=-40

x=-2

elimination using multiplication

100

x+y=-3

2x-3y=29

(4,-7)

200

5x+2y=17

x+y=7

(1,6)

300

2x+y=9

3x-4y=30

(6,-3)

400

-2x+4y=8

x+7y=5

(-2,1)

500

4x-y=4

5x-3y=-9

(3,8)

mixed equations

100

3x+4+2x=19

x=3

200

7m+3(m+4)=42

m=3

300

6(x+5)=54

x=4

400

6m=24

m=4

500

7m+6=55

m=7

simplifying variable equations

100

-3p+6p

3p

200

b-3+6-2b

-b+3

300

7x-x

6x

400

7p-10p

-3p

500

-10v+6v

-4v

quadratic equations

100

c²+14c+40=0

c=(-4,-10)

200

p²+11p+10=0

p=(-1,-10)

300

y²+10y+25=0

y=(-5,-5)

400

x²-x-72=0

x=(9,-8)

500

b²+12b-64=0

b=(4,-16)