3 years ago

Using elimination, what is the solution to the following system? x+y=4 x-y=8

Mathematics

1 answer:

aleksandr82 [10.1K]3 years ago

5 0

Answer:

x=6, y=-2. (6, -2).

Step-by-step explanation:

x+y=4

x-y=8

----------

2x=12

x=12/2

x=6

6+y=4

y=4-6

y=-2

You might be interested in

Find the values of (625) ^-1/4

weeeeeb [17]

Answer:

can whoevers watching help me eith my math

Step-by-step explanation:

im awful amd my questions are on my profile and i got a 50 before and this is my last attemp pplz

8 0

3 years ago

Read 2 more answers

How do you simply these expressions?<br> a. (1/2)^-3 b. (3/5x)^-1

gulaghasi [49]

(1/2)^-3=1/(1/2)^3=2^3 (by x-n=1/x^n)

(3/5x)^-1=5x/3

3 0

3 years ago

Last month The Car Shop sold 36 white cars, 24 green cars, 4 black cars and 8 red cars. whisch statement is true?

Effectus [21]

The final answer is B.

6 0

3 years ago

Read 2 more answers

Find the perimeter of the following polygon. Be sure to include the correct unit in your answer.

slava [35]

Answer:

Step-by-step explanation:

All you got to do is add all of them together

8 0

3 years ago

Tell whether the square root of .25 is rational or irrational. Explain.

artcher [175]

The square root of .25 is rational because it is a terminating decimal.
√(.25)=05

8 0

3 years ago