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Expressions

100

simplify 5x-2x+3

3x+3

200

Simplify -5+2x+3-x

x-2

300

How many sets of like terms are there in this expression?           6n+7-10n+10+2r-8x+2n^2

5.  the n's the r's the x's, the x squareds and the constants

400

Simplify -3(2x+7)-1

-6x-22

500

-2(3x+5)-(x+4)

-7x-14

Two Steps

100

Solve:  2x-3=7

x=5

200

Solve -5x-8=17

x=-5

300

Solve  12=3x+15

x=-1

400

Solve  4x+12=-6

x=-4.5

500

Solve:   5+4r-1-6r

-2r+4

Both Sides

100

Solve for x:

3x+7=2x-9

x=-16

200

Solve:

-5+x=8x+9

x=-2

300

Solve for y:

3-7y=2y+12

y=-1

400

Solve:

3d+7 = 9d - 11

d=3

500

2(x+3)=x-1

x=-7

Distribute

100

Solve:

2(x+7)=22

x=4

200

Solve  -5(x-1)=20

x=-3

300

Solve:

15=3(x-9)

x=14

400

5x+2(x-4)=20

x=4

500

3(x-4)=15

x=9

How many solutions?

100

How many solutions:

2x+6=3x+6-7

one  x=7

200

How many solutions:

5x-3=2(x+4)+3x

NONE   -3 d/n equal 8

300

How many solutions:

3(4x-4)=10x+2+2x-14

INFINITE  -12=-12

400

How many solutions:

3(x+10)=4x-15

One  x=45

500

How many solutions:

3x+7=x+9+2(x-1)

Infinite  7=7