Writing Expressions
Writing "Simple" Equations
Writing "Complex" Equations
Writing and Solving "Simple" Equations
Writing & Solving "Complex" Equations
100

Write an expression.

A number decreased by 12

x-12

100

Write an equation. 

A number diminished by 5 is 12.

x-5=12

100

Write an equation. 

Five times a number increased by 8 is the same as 9 times the number decreased by 10. 

5x+8=9x-10

100

Write an equation and solve it.

Half a number increased by 5 is 7. What is the number? 

x=4

100

Write an equation and solve it. 

Eight less than 6 times a number is the same 3 more than twice the number. What is the number? 

x=2 3/4or x=2.75

200

Write an expression.

Four times a number increased by 9

4x+9

200

Write an equation. 

Twice a number increased by 8 is 20. 

2x+8=20

200

Write an equation. 

Eight less that 5 times a number is the same as 6 more than twice the number. 

5x-8=2x+6

200

Write an equation and solve it.  

Seven diminished by twice a number is -11. What is the number? 

x=-9

200

Write an equation and solve it. 

Five times the difference of a number and 11 is 10. What is the number? 

x=13

300

Write an expression. 

Seven less than 8 times a number

8x-7

300

Write an equation.

The quotient of a number and 9 decreased by 5 is 15.

x/9-5=15

300

Write an equation. 

Five times the sum of a number and 7 is 21.

5(x+7)=21

300

Write an equation and solve it. 

One decreased by a third of a number is 3. What is the number.

x=-6

300

Write an equation and solve it. 

7 times a number is the same as twice the sum of the number and 20. 

x=8

400

Write an expression. 

9 more than the quotient of a number and 3

x/3+9

400

Write an equation. 

Three-fourths of a number increased by 8 is -4. 

3/4x+8=-4

400

Write an equation. 

Twice the difference of a number and 5 is the same as 7 more that 3 times the number. 

2(x-5)=3x+7

400

Write an equation and solve it. 

15 is 3 times a number decreased by 9. What is the number.

x=2

400

Write an equation and solve it. 

35 diminished by twice a number is the same as 4 times the sum of the number and 3. What is the number? 

x=3 5/6 or 3.8333

500

Write an expression. 

Eight times the difference of a number and 5

8(x-5)

500

Write an equation. 

27 is 12 more than 5 times a number.

27=5x+12

500

Six times the sum of a number and -1 is the same as 3 times the difference of the number and 3.

6(x+(-1))=3(x-3)or 6(x-1)=3(x-3)


500

Write an equation and solve it. 

Four more than half a number is 12. What is the number. 

x=16

500

Write an equation and solve it. 

Twice the difference of a number and 9 is the same as 12 less than 8 times the number. What is the number? 

x=-1