2 years ago

Solve thePiSimultaneous equationusing elimination3x+2y=22x+2y =-7

Mathematics

1 answer:

torisob [31]2 years ago

5 0

Answer:

x= 9

y=-12.5

Step-by-step explanation:

3x+2y = 2×2

2x+2y =-7×3

6x+4y =4

- 6×+6y =-21

-2y =25

y=-12,5

2x+2(-12,5)= -7

2x+-25= -7

2x= -7+25

2x/2=18/2

x= 9

You might be interested in

Solve. d + 8 < 35 A d < –27 B d < 27 C d < –43 D d < 43

Murrr4er [49]

Hello there! :)

Answer:

$\boxed{D$

*THE ANSWER MUST HAVE A POSITIVE SIGN!*

Step-by-step explanation:

First, you subtract by 8 from both sides of an equation.

$d+8-8$

Then, you subtract by the numbers from left/right.

$35-8=27$

$\boxed{D$ , is the CORRECT/FINAL ANSWER!

Hope this helps you!

Have a nice day! :)

:D

-Charlie

Thanks!

4 0

2 years ago

The question is down below

Elodia [21]

The area of a rectangle is shown through length times width. Being so, 13.7 times 10.5 equals 143.85 m^2.

3 0

2 years ago

Please help me with this question

LUCKY_DIMON [66]

All I can find on this is that it would be 10/16 but thats not an awnser. hmmm

7 0

3 years ago

Evan buys some oranges. He gives 1,2 or 3 oranges to April. He has5 oranges left . Draw pictures and write a number sentence to

stiv31 [10]

Answer:

6, 7 or 8 oranges

Step-by-step explanation:

8 0

3 years ago

5/12 x 4/5????????????

riadik2000 [5.3K]

Answer:

1/3

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Solve thePiSimultaneous equationusing elimination3x+2y=22x+2y =-7​

Solve thePiSimultaneous equationusing elimination3x+2y=22x+2y =-7