3 years ago

What ordered pairs are a solution to the equations

Mathematics

1 answer:

Vsevolod [243]3 years ago

6 0

Answer:

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

Step-by-step explanation:

3x-5y=4

-5x+4y=2

-------------

5(3x-5y)=5(4)

3(-5x+4y)=3(2)

---------------------

15x-25y=20

-15x+12y=6

-------------------

-13y=26

y=26/-13

y=-2

3x-5(-2)=4

3x+10=4

3x=4-10

3x=-6

x=-6/3

x=-2

x=-2, y=-2.

You might be interested in

Simplify:

kramer

Hi Grace!

4p + 12 - 3q - 4p - 18 + 6q
Combine like terms
4p - 4p + 12 - 18 - 3q + 6q
= -6 + 3q

The correct answer is option D

4 0

4 years ago

Read 2 more answers

The audince thinks 30%of brandons jokes are funny what fraction does the audince think are funny

liq [111]

Answer:

Let Brandon's joke be X . Audience like 30% of X. So... 30/100 of X which gives 3/10 of X.

Step-by-step explanation:

4 0

3 years ago

On a map, 1 cm represents 300 km. What does 3/5 cm represent?

Sauron [17]

Answer:

180 km

Step-by-step explanation:

3/5 times 300 is 180

5 0

4 years ago

Read 2 more answers

Solve the equation-54-9g

coldgirl [10]

-68hen you enter an equation into the calculator, the calculator will begin by expanding (simplifying) the problem.

4 0

3 years ago

What method can be used to prove the triangles are congruent ?

RUDIKE [14]

C is the answer to the problem

6 0

3 years ago