3.4 ONE-STEP EQUATIONS

SUBTRACTION

100

1x-5=10

x=15

200

12-y=3

y=15

300

a-8=2

a-10

400

z-20=15

z=35

500

y-7=3

y=10

ADDITION

100

x+3=8

x=5

200

y+7=12

y=5

300

a+5=10

a=5

400

z+1=9

z=8

500

b+20=35

b=15

MULTIPLICATION

100

2x=10

x=5

200

5y=25

y=5

300

-3a=-12

a=4

400

0.5b=2

b=4

500

n4=16

n=4

DIVISION

100

x/3=6

x=18

200

y/5=-2

y=10

300

a=/2=10

a=20

400

n/7=4

n=28

500

2/8=-1

z=-8

BOUNUS

100

Maria has a collection of 12 colorful marbles. She decides to give some friend Jake. After giving away a certain number of marbles. She finds that she has 5 marbles left. How many marbles did Maria give to Jake

x=17

300

Milly and Andy went to a store that was 5 miles away and it was 6 miles back because they used a short cut you need to find the X of how long it will take to get back home? (multiply)

30 mins

400

Rosey was running the track and she ran 4 miles but she has 3 more miles left you need to find the x for how many minutes does she have left when she finishes? (multiply)

8 minutes left when she finishes the 3 more miles

500

A car travels at 60m/h, how far will it travel in 3hours? 

x=20