3 years ago

Solve the system by substitution. Y = 2x y = 5x - 30

Mathematics

1 answer:

uysha [10]3 years ago

8 0

Answer:

x= 10; y=20

Step-by-step explanation:

2x=5x-30

30=3x

30/3=x

x=10

y=2(10)

y=20

You might be interested in

Mai bought a soccer ball and 2 pairs of shorts. how much will she pay for everything including tax? what information will you ne

Andre45 [30]

Answer:

You would need to find out the cost of the soccer ball and the price for shorts. Then you will need to find out how much tax she will pay.

Step-by-step explanation:

5 0

2 years ago

A window washer cleaned 38 windows in 2 hours. At this rate, how many windows did he clean in 7 hours? Help before I pass out tr

shutvik [7]

Answer: 133 windows

Step-by-step explanation:

Step 1: 38/2=19

Step 2: 19*7=133

4 0

2 years ago

Read 2 more answers

Your gas bill went up from $120 per month to $150 per month.What is the percent increase of your gas bill

Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

7 0

2 years ago

I need answer for a and b show your work

Stels [109]

I have two methods for you

7 0

2 years ago

HELP QUICK LIKE RIGHT NOW!please

pogonyaev

Answer:

1/2 = 1/2

Step-by-step explanation:

5/10 is equal to 1/2 and 1/2 cant get smaller making you answer 1/2 = 1/2

8 0

2 years ago

Read 2 more answers