Simplifying and Solving Equations

Simplifying Expressions

100

3x + 9x - 2x

10x

200

4(x + 6) + 9

4x + 33

300

-7(x + 2) + 4x

-3x - 14

400

-2(x - 2)

-2x + 4

500

-3(x - 5) + 8

- 3x + 23

Multi-Step Equations

100

4a + 3 = 11

a = 2

200

15y + 31 = 61

y = 2

300

28 = 8x + 12 - 7x

x = 16

400

2(x + 3) = 10

x = 2

500

17 = 3(p - 5) + 8

p = 8

Equations with Variables on Both Sides

100

7x - 1 = 4x + 5

x = 2

200

2w + 3 = 4w - 5

w = 4

300

15y + 14 = 2(5y + 6)

y = -.4

400

4(x + 4) = 8(x - 1)

x = 6

500

5(5a + 3) = 14a - 29

a = -4

Equations with Rational Numbers

100

5(2y + 3) = 6y - (7 - 2y)

y= -11

200

2.3x +2.8 = -1.2x + 9.8

x= 2

300

20(v +2.50) = 15(2.5v +1)

v= 2

400

(5x - 6) - 5x = -12(0.5x + 1)

x= -1

500

0.3(10 - 5x) = 31.5 - (8x + 9)

x= 3

Random

100

Approximate the following square root (within .1)

sqrt(10)

3.1

200

Approximate the following square root (within .2)

sqrt(25/49)

+- 5/7

300

Write in Scientific Notation:

2037000

Write in standard form:

(2.037xx10^6)

400

Find the following cube root:

root(3)(27)

3

500

Write in scientific notation:

0.0000187

Write in standard form:

(1.87xx10^-5)