Can you beat Algebra?

Simplify Expressions

100

Simplify 5a - 9a + a

-3a

200

Simplify 3a - (5a - 7a)

5a

300

Simplify 5x + 7y + 3z - 4y - 2x + z

3x + 3y + 4z

400

Simplify x/2 + x/3

5x/6

500

Simplify (x - 1)/2 - (x - 2)/2

1/2

Simplify Expressions

100

Simplify - 4b - b + 3b

-2b

200

Simplify 2x - 3y + 7x - y

9x - 4y

300

Simplify 3a + 4b - (a - b) 

2a + 5b

400

Simplify x/2 + (x+1)/4 

(3x+1)/4

500

Simplify (2x + 1)/5 - x/10

(2x + 2)/10

Solve for unknowns

100

Solve 2(x - 3) = 8

x = 7

200

Solve 2x - 7 = 9 + 3x

x = -16

300

Solve -2x - 7 = -4 + 2x

x = -3/4

400

Solve 3(x - 4) = 7(x + 1)

x = -3.25 or -3 and 1/4

500

Solve 2[2(x-4) + 3] = 5

x = 3 and 3/4 or 3.75

Solve for unknowns

100

Solve 2(a - 3) = 6

a = 6

200

Solve 17 + 4x = -3 - x

x = -4

300

Solve 5x - 4 = 3x - 1

x = 1 and 1/2

400

Solve 7(x + 4) = 2(2x - 4)

x = -12

500

Solve 2x - [3 + (x + 5)] = 6

x = 14