Mathematical Expressions
Simplify & Evaluate Expressions
Equations
Addition and Subtraction Equations
Multiplication Equations
Division Equations
100

Write an algebraic expression for 7 more than a number x.

x+7

100

Simplify: 4x+6x

10x

100

Write an equation for: A number x plus 11 equals 25.

x + 11 = 25

100

Solve: x + 8 = 19

x = 11

100

Solve: 5x = 35

x = 7

100

Solve:

x/4 = 6

 

x = 24

200

Write an algebraic expression for the product of 9 and a number n.

9n

200

Simplify: 7a + 5 + 3a - 2

10a + 3

200

Write an equation for: A number n decreased by 9 is 18.

n - 9 = 18

200

Solve: n - 12 = 15

n = 27

200

Solve: 8n = 56

n = 7

200

Solve: 

n/7 = 8

n = 56

300

Write an algebraic expression for 5 less than twice a number y.

2y - 5

300

Evaluate 4x - 7 when x = 6.

17

300

Write an equation for: Four times a number y equals 36.

4y = 36

300

Solve: y + 17 = -4

y = -21

300

Solve: -6y = 42

y = -7

300

Solve: 

m/3 = 6

m = 18

400

Write an algebraic expression for the quotient of a number m and 4, increased by 6.

m/4 +6

400

Evaluate 3a - 2b + 5 when a = 4 and b = 3

11

400

Write an equation for: The quotient of a number p and 5 is 7.

p/5 = 7

400

Solve: m - 6 = 10

m = 16

400

Solve: -2m = 20

m = -10

400

Solve: 

y/(-5) = 9

y = -45

500

Write an algebraic expression for 3 less than the product of 5 and a number p.

5p - 3

500

Evaluate 2(3m - 4) + n when m = 5 and n = -2.

20

500

Determine whether x = -3 is a solution to 2x + 7 = 1.

Yes because 2(-3) + 7 = 1

500

Solve: p - 1 = -3

p = -2

500

Solve: -3p = -9

p = 3

500
Solve: -p = -20

p = 20