yaremal1224 yaremal1224

19-12-2019
Mathematics

contestada

What is the results of adding these two equations?
6x+2y=-2
3x-2y=-5

Respuesta :

Yang100 Yang100

19-12-2019

Answer:

x=-7/9, y=4/3. (-7/9, 4/3).

Step-by-step explanation:

6x+2y=-2

3x-2y=-5

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

9x=-7

x=-7/9

6(-7/9)+2y=-2

-42/9+2y=-2

2y=-2-(-42/9)

2y=-2+42/9

2y=-18/9+42/9

2y=24/9

y=(24/9)/2

y=(24/9)(1/2)

y=24/18

y=4/3

Answer Link

Otras preguntas

What is the answer to the question -4•-10

a shop has a sale with 20% off all items. the sale price of an item is £24.80. what was its original price

3/4t-5/6=2/3t Eliminating Fractions

915 round to nearest hundred?

What is the equation for velocity?

List the common multiple of 42 and 14 . Help plzzzz

Using the method of mathematical induction to prove that equalities are true for values of n indicated:2²+4²+6²+...+(2n)²=[tex] \frac{2n(n+1)(2n+1)}{3} ,n \ge

There are 36 students in Mrs. Keaton's sixth grade class. If 5/12 of her students are girls, how many girls are in the class?

7,890 divided by 52? 34,680 divided by 64? 3,200 divided by 52? Last 3 till tomorrow

What is 35 round to the nearest 100