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Evaluate Expressions if b=4
Solve for the Missing Variable!
Solve for the Missing Variable!
100

5n + n + 4x

6n + 4x

100

5b + 4

24

100

y + 20 = 70

y=50

100

4a + 9 = 17

a=2

200

7 + 8y + 2y

7 + 10y

200

16/b + 5

9

200

m / 4 - 2 = 10

m=48

200

6c - 2 = 40

c=7

300

4b + 3b - 2x

7b - 2x

300

b + 20 - 2

22

300

7x + 2 =30

x=4

300

8d - 7 = 33

d=5

400

(2b + b) - 2

3b -2

400

6b + 8

32

400

8x - 7 = 49

x=7

400

9.2a - 8 = 19.6

a=3

500

x + 5x + 7y

6x + 7y

500

10b / 5

8

500

8r + 24 =40

r=2

500

6.5c - 4.6 = 12.45 + 12.2

c= 4.5