Chapter 1 Equations

One-step

100

Solve for the variable.

-9r=-9

r=1

200

Solve for the variable.

x-5=-1

x=4

300

Solve for the variable.

1+x=-20

x=-21

400

Solve for the variable.

0=11x

x=0

500

Solve for the variable.

-27=r-3

r=-24

Two-Step

100

Solve for the variable.

2(x-4)=-10

x=-1

200

Solve for the variable.

-8x-2=-122

x=15

300

Solve for the variable.

k/8+3=4

k=8

400

Solve for the variable.

-11-11a=-66

a=5

500

Solve for the variable.

(8+v)/15=-1

v=-23

Multi-step

100

Solve for the variable.

17=6x+2-x

x=3

200

Solve for the variable.

5n+4-3n=-6

n=-5

300

Solve for the variable.

-4+5r=4(-1+6r)

r=0

400

Solve for the variable.

-5(n-4)=-1-2n

n=7

500

Solve for the variable.

-(-5-8p)+2p=-5(p-7)

p=2

Solutions

100

How many solutions does this equation have?

6k-6k=1

No Solution

200

How many solutions does this equation have?

14=-2n+4-2

One solution

300

How many solutions does this equation have?

-8-8x=6(x-6)

One solution

400

How many solutions does this equation have?

-15-3n=-3(n+6)

No solution

500

How many solutions does this equation have?

-(r-8)+4=-(r-12)

All real numbers

Writing

100

Write the expression for a number greater than 5 is 12

5+x=12

200

Eli says that he needs only $225 more dollars in his account to reach the $1,875 necessary for a down payment on a car. Write an equation to represent the amount of money in bank account

B+225=1875

300

Only  2/3 of the class was present on Friday. If 16 students were present write an equation of how many students are in the class.

2/3s=16

400

You’re reading the newspaper and see home value assessments. Your house is listed at $42,340. Assessments are one-third of the true value of the home. Write an equation of the actually worth of your house.

W/3=42340

500

Write an algebraic expression to represent:

Increase a number by 35% then by 5

1.35x+5