5x+6y=18

5x=18-6y

x=(18-6y)/5

Use that in the other equation
18(18-6y)/5 - 15y = 36

64.8-21.6y - 15y = 36

28.8=36.6y
.7868=y

Now put that number in for y on the first equation

5x+6(.78) = 18
5x + 4.68 = 18
5x = 13.32
x = 2.66
and y = .78

4 0

3 years ago

Read 2 more answers

A contractor is building a new subdivision on the outside of a city. He has started work on the first street and is planning for

kotegsom [21]

Answer:

it is c. x + y = −6

Step-by-step explanation:

i took the test

6 0

3 years ago

Pls help me math work

Murljashka [212]

Answer:

Area= 105.12 feet squared

7 0

3 years ago

What is the complete factorization of 36y2 − 1?

ludmilkaskok [199]

Answer:

36y² - 1

Factorize

We have the final answer as

$(y - \frac{1}{6} )(36y + 6)$

Hope this helps you

3 0

3 years ago