Module 1-2 Review

Multi-Step Equations

100

Solving Equations

4x + 3 = 7

What is: 

x = 1

200

Solving Equations

4(6 + 5x) = 124

What is: 

x = 5

300

Solving Equations

-108 = -8(x + 6) - 4

What is: 

x = 7

400

Solving Equations.

254 = -2v - 6(2 +6v)

What is:

v = -7

500

Solving Equations

-93 = 7(-3k - 8) + 5

What is:

k = 2

Multi-Step Equations w/ Variables on Both Sides

100

Solving Equations

6(6n - 2) = 8n - 40

What is:

n = -1

200

Solving Equations

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

What is:

p = 0

300

Solving Equations

6a - 7(2a + 4) = -33 - 8a

What is:

False statement, no solution

400

Solving Equations

-5(8n - 4) - n = - 16 - 5n

What is:

n = 1

500

Solving Equations

-15 - 5x = 5(-x - 3)

What is:

True statement, infinite solutions

Absolute Value

100

Solving Absolute Value Eqns.

|−6m| = 30

What is:

m = -5 or m = 5

200

Solving Abs. Value Eqns.

|−2r − 1|= 11

What is:

r = -6 or r = 5

300

Solving Abs. Value Eqns.

3|−8x| + 8 = 80

What is:

x= -3 or x = 3

400

Solving Abs. Value Eqns.

|7p + 4| / 8 = 3

What is:

p= 20/7 or p = -4

500

Solving Abs. Value Eqns.

2 − 5 |5m − 5| = −73

What is:

m = 4 or m = -2

Solve for a variable

100

Solve for y.

3x + 2y = 2 

What is:

y = (-3/2)x + 1

200

Solve for x.

2x + 10y = -8

What is:

x = -5y - 4

300

Solve for y.

7x - 5y = -25

What is:

y = (7/5)x + 5

400

Solve for x.

u = x/k + y

What is:

x = (u - y)*k

500

Solve for w.

(3 - w)/z = p

What is:

w = - pz + 3

Proportions

100

Solving Proportions

2/x=8/9

What is: x=9/4

x = 9/4

200

 Solving Proportions

(x+1)/5=3/5

What is:

x=2

300

Solving Proportions

(x-3)/7=(x+1)/8

What is:

x =31

400

Solving Proportions

(5x+10)/x = 10/11

What is:

-22/9

500

Solving Proportions

(x-6)/(x-7)=9/2

What is:

x= 51/7