2 years ago

Solve this system using elimination. 3x+4y=5 2x+3y=4 Show work please

1 answer:

5 0

3x+4y=5
2x+3y=

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

-6x-8y=(-10)
6x+9y=12

Add the equations

-6x-8y=(-10)
+ 6x+9y=12
-----------------
0x+y=2
y=2

Substitue y into an equation

6x+9(2)=12
6x+18=12
6x=-6
x = -1
y = 2

You might be interested in

Ramon drew boxplots to summarize the number of pages in each chapter of two books. The value of the interquartile ranges of thes

Brut [27]

Answer:

The answer is c

Step-by-step explanation:

The middle line is in the same spot

7 0

3 years ago

PLEASE HELP!!! I PUT 50 POINTS

Eduardwww [97]

Answer:

x=7

Step-by-step explanation:

7 times 3 =21 and 21 times 1 =21 cross multiply or butterfly method

4 0

2 years ago

Read 2 more answers

Slove equations with variables on both sides9 + 3f = 2f

Vera_Pavlovna [14]

Given 9 + 3f = 2f

9 = 2f - 3f

9 = -f

f = -9

4 0

1 year ago

Factor expression 3x -9x

sineoko [7]

Answer:

-6x

Step-by-step explanation:

5 0

2 years ago

Please help!!!!!! im not too sure how to answer this.

zavuch27 [327]

I think the answer is B

Explanation: Rise
Run
You rise up 4 and go to the right 3

3 0

2 years ago