simplify equations
2-step equations
Word Problems
2- step inequalities
Graphing inequalities
100
35n -12+49-7n
28n+37
100
12+x /4=33
What is X=120
100

A baker put some cookies in each of three boxes. Then, he put 4 more cookies in each box, and there were 24 total cookies in the 3 boxes.

24=3(x+4)
24=3x+12
24-12=3x+12-12
12=3x
12/3=3x/3
4=x54/107 or .5047

100
N/3+2>0
What is N>-6
100
2x+6>12
x>3 0 1 2 3 4 5 6 7 8 l____l___l___l___l___l___l___l___l 0---------------------->
200
8x-2-2+5x
13x -4
200
x-7 /3=0 What does X equal?
What is X=7
200
  • Five students came for after-school tutoring. Priya’s teacher assigned each of them the same number of problems to complete. Then she assigned 2 more problems to one of the students. 27 problems were assigned in all. How much was each student assigned?

27=5x+2

27-2=5x+2-2

25=5x
25/5=5x/5
5=x

200
1+m/9>1 __
What is M>8 __
200
5x-25>50
x>15 10 11 12 13 14 15 16 17 18 19 l___l___l___l___l___l___l___l___l__l 0----------------->
300
4x(5+3x)-12
32x-12
300
4.7-12.9x / 3=64 What does X equal? *Round to the nearest tenth*
What is X= 13.58
300

Lin had 90 flyers to hang up around the school. She gave 12 flyers to each of three volunteers. Then she took the remaining flyers and divided them up equally between the three volunteers. How many flyers did she give each volunteer?

90=3(y+12)

90=3y+36

90-36=3y+36-36

54=3y

54/3=3y/3

27=y

27+12= 39 flyers

300
6>-4+29/2
What is NO Solution
300
-4+4x<120
x<31 30 31 32 33 34 35 36 37 38 39 l___l___l___l___l___l___l___l___l___l <----0
400
2.4(7x-12)+18
16.8x+46.8
400
2x+14/24=96 What does X equal?
What is X=1145
400

Lin had 90 flyers to hang up around the school. After giving the same number of flyers to each of three volunteers, she had 12 left to hang up by herself.

90=3y+12

90-12=3y+12-12

78=3y

78/3=3y/3

y=26 to each volunteer

400
-2+2x/3 >6
What is X>12
400
X+7>12
What is X<4 1 2 3 4 5 6 7 8 9 10 l___l___l___l___l___l___l___l___l___l 0--------------------------->
500
-3.9(4.3+2.7x)+3.12x
What is -16.77+13.65x
500
6.79-3.34x /4.9=76 What does X equal? *Round to the nearest Tenth*
What is 109.5
500

Diego scored 9 points less than Andre in the basketball game. Noah scored twice as many points as Diego. If Noah scored 10 points, how many points did Andre score?

D=A-9

N= 2*D

N=10

10=2(A-9)

10=2a-18

10+18=2a-18+18

28=2a

28/2=2a/2

14=a

500
5< 7 + P/20 __
What is P> -40 __
500
-3+ X/4<16
What is X<67 60 61 62 63 64 65 66 67 68 69 70 l___l___l___l___l___l___l___l___l___l___l <------------------------------0
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