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Solve (x)
Solve (÷)
100

2a + 3a 

5a

100

4(x+3)

4x + 12

100

c+3=5

c = 2

100

2y=6

y = 3

100

x/2=4

x=8

200

3b + b - 8

4b - 8

200

3(2+y)

6 + 3y

200

y−4=10

y = 14

200

5u=25

u = 5

200

100/p = 20

p = 5

300
c + c

2c

300

2a(3-c)

6a - 2ac

300

73+p=100

p=67

300

7n=49

n = 7

300

6m/3=2

m=1

400

-3y + 4 + 5y

2y + 4

400

4(3x + 2) + 2x

14x + 8

400

3+c=5−c

c = 1

400

3f + 2 = 8

f=2

400

12q/6=2

q=1

500

7x2y + 5x + 10yx2

17x2y + 5x

500

2x(3x−5)

6x-10x

500

5+d=3−d

d = -1

500

4x−3=2x+5−x

x=8

500

x/30 = 1/2

x = 15