3 years ago

Solve for x. 2x+3y=20 -2x+y=4

Mathematics

1 answer:

Mama L [17]3 years ago

3 0

Answer:

x = 1

Step-by-step explanation:

-2x + y = 4

y = 2x + 4

2x + 3y = 20

2x + 3(2x + 4) = 20

2x + 6x + 12 = 20

8x + 12 = 20

8x = 8

x = 1

You might be interested in

Consider this right triangle.

andrew-mc [135]

Answer:

5/13

Step-by-step explanation:

4 0

3 years ago

HELPPPP!!!! ONLY NUMBER 24 AND 25 PLEASEEEE

Alex_Xolod [135]

Though I don't know #24, I know #25.

Take 15% of 31.77 and you should get 4.7655.
Now add 31.77 with 4.7655 and you should get 36.5355.
Round 36.5355 to the nearest hundredth.

Your final answer is $36.54

8 0

3 years ago

PLEASEE HELPP IM STRUGGLINGGGG

irga5000 [103]

1. -7
2. -7
3. 2.5
4. -37

8 0

3 years ago

What is the area of this shape?

Semenov [28]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

A basketball costs $12. there is a 7% sales tax charge on this item and shipping costs are 5.23. what is the total cost to purch

Leviafan [203]

12(.07) + 5.23
.84 + 5.23
6.07

12 + 6.07
18.07

4 0

3 years ago