2B Review - Equations / Inequalities

Solve 1 Step

100

x+3 = 9

x = 6

200

x - 9 = -2

x = 7

300

2x = 24

x = 12

400

x/-3 = -81

x = 243

500

(5x)/-2 = 30

x = -12

Solve 2 Step

100

2x + 1 = 13

x = 6

200

2x - 6 = -18

x = -6

300

x/-6 + 7 = 3

x = 24

400

x/-7 - 12 = -3

x = -63

500

40 = 24 + x/2

x = 32

Solve Multi-Step

100

2(x - 1) = 50

x = 26

200

3(2z − 10)=30

z = 10

300

-5(2x - 4) = 80

x = - 6

400

7(x + 4) + 2 = 23

x = -1

500

-11(2 - x) + 9 = 251

x = 24

Solve and Graph Inequalities

100

x - 3 < 3

x < 6

200

2-x <= 6

x >=-4

300

m/3 - 3 <=-6

m<=-9

400

-4(-4+x) > 56

x < -10

500

-1 > (-11 + n)/15

n < -4

Verify that Solution!!

100

-5x = -25

x = 5

x = 5 IS the solution

200

2x + 1 = 5

x = -2 

x = -2 is NOT the solution

300

-3(x + 7) = 48

x = 9

x = 9 IS NOT the solution

400

-2(2x - 6) = 72

x = 15

x = 15 IS NOT a solution

500

3(−4x + 2) + 2x = −14

x = 2

x = 2 IS a solution