Fractions to Decimals
Arithmetic
Algebra
Inverse Operations
Products to Sums and
Sums to Products
200

7/20

0.35

200

12+5-8+4+(-9)

4

200

(-a)=(-5)

a=5

200

Multiply by 155

Divide by 155
or Multiply by (1/155)

200

Convert
6a+8
into a product.

2(3a+4)

400

7/50

0.14

400

1+5x9-18

28

400

2b-12=6

b=9

400

Add (-5)

Add 5
or Subtract (-5)

400

Simplify
2(19b-7)
into a sum.

38b-14

600
2/1

2.0

600

(30÷6)x(10-5)+(-4)

21

600

1-2c=(-9)

c=5

600

Divide by (-2)

Multiply by (-2)

600

Convert
9c-15
into a product.

3(3c-5)

800

18/5

3.6

800

((-5)+(-4)+(-3))(-1)

12

800

15÷d=5

d=3

800

Multiply by (1/3)

Multiply by (3/1)
or Divide by (1/3)

800

Simplify
4(6-2c)
into a sum.

24-8c
or (-8c)+24

1000

15/22

0.68181818181
or 0.68181 repeating

1000

((17x2)+1)÷(-5)

(-7)

1000

7(2e-3)=(-7)

e=1

1000

Subtract (-18)

Subtract 18
or Add (-18)

1000

Convert
66e-121
into a product.

11(6e-11)