2 years ago

PLEASE HELP HELPPPPPPPPP

Mathematics

2 answers:

professor190 [17]2 years ago

5 0

Answer:

x+2y=- 7

x-2y =9

Step-by-step explanation:

Solving Steps

2x+4y=-14

x-2y=9

Divide both sides

(2x+4y) ÷2=-14=2

{x-2y=9

Remove the parentheses

Divide

2x÷2+4y÷2=-7

x-2y =9

Divide

Solution

x+2y=- 7

x-2y =9

Scorpion4ik [409]2 years ago

4 0

Answer:

(1,-4)

Step-by-step explanation:

2x+4y=-14

x-2y=9

2x+4y=-14

2(x-2y)=(9)2

2x+4y=-14

2x-4y=18

Add X

4x=4

X=1

Substitute x into any equation

(1)-2y=9

-2y=8

y=-4

You might be interested in

Find the new area 20ft and 10 ft. Perimeter 48cm2 p=?

Scrat [10]

Answer:

I really don't get what you're asking but in finding the new area 20 feet and 10 feet I found the area and the perimeter 14 cm2. I have found both perimeter and area so if you wanted an answer I guess it is in one of my answers.

7 0

3 years ago

Explain solving Slope

xeze [42]

ratio of vertical change between 2 points

5 0

3 years ago

Help asap pleaseeee (if u do ily)))

n200080 [17]

Answer:

B) 120

Step-by-step explanation:

180 - 60 = 120

Hope that helps!

4 0

3 years ago

Read 2 more answers

A sea lion dove from the water's surface at sea level to an altitude of −216.12 meters in 2.4 minutes.

prohojiy [21]

Your answer is -90.05! :)))

8 0

3 years ago

Read 2 more answers

Based on the results from part C, which two statements correctly interpret actions the business should take?

icang [17]

Answer:

Step-by-step explanation:

7 0

2 years ago