Test#1 Review: Math 1

Solving One Step Equations

100

x+5=12

 x=7

200

2 + x = 15

x = 13 

300

x-13=25

x = 38

400

x-16=-17

x = - 1 

500

18+x=-14

x = - 32

Solving Multi-Step Equations

100

2x-5=5

x = 5 

200

9x+12=-51

x = - 7

300

3x−2=2x+7

x = 9 

400

4x+7=6x+5

x = 1 

500

2(3x−4)+5=4(x+1)−3

x = 2 

Solving Equations with Fractions

100

1/2(x+4)=3

 

 x=2

200

3/2(x-5)=4

x = 11

300

6/5(x+3)=10

x = 9

400

-3/4(2x+8)=9

 x=-10

500

2/3(x+6)=4/5(2x−3)

48/7

Expressions and Word Problems

100

The sum of a number and 5.

x + 5

200

The difference between a number and 7 is 3.

x-7=3

300

Five less than twice a number is equal to 13.

 2x-5=13

400

Emma and Liam are deciding between two streaming services. Service A charges $8 per month plus a one-time setup fee of $20. Streaming Service B charges $10 per month with a one-time setup fee of $10. When will both companies cost the same?

 5 months

500

Emma and Liam are deciding between two streaming services. Service A charges $8 per month plus a one-time setup fee of $20. Streaming Service B charges $10 per month with a one-time setup fee of $10. What do both companies charge when they are the same?

 $60

Solving Literal Equations

100

 A= 1/2 bh  

Solve for h

h=(2A)/b

200

C=2πr+2h  

Solve for r

r= ( C−2h)/(2π )

300

P=2l+2w 

solve for w

w= (P−2l)/2  

400

2x+3y=12 

solve for y

y = - 2/3x +4

500

5x−4y=7 

solve for x 

x = 4/5y + 7/5