princessbrianna113 princessbrianna113
  • 03-12-2021
  • Mathematics
contestada

2x-3y=9. -5x-3y=30 elimination

Respuesta :

robertphilemon73
robertphilemon73 robertphilemon73
  • 03-12-2021

7x=-21

x=(-21÷7)

x=-3

then

2x-3y=9

(2×-3)-3y=9

-6-3y=9

-3y=9+6

-3y=15

y=(15÷-3)

y=-5

Answer Link

Otras preguntas

18 cookies were evenly distributed between 3 people what is the unit rate
ΔABC has vertices A(0,10), B(4,10), and C(-2,4). Find the orthocenter of ΔABC. A: (-2, -12) B: (2, -12) C: (-2, 12) D: (12, -2)
The debate team has 15 members. Each member sold c coupon books as a fundraiser. Write an expression that shows the number of coupon books the club sold.
jessica runs 8 feet per second, debbie runs 637 ft in 49 secs, katie runs 1 mile in 511 secs and tony runs 550 ft in 1 min. Who runs the fastest?
Does anyone know the answer to this question???? Been struggling for a while
Which points are collinear with A and N?
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
which event took place during the modernist period? 1919- Prohibition began 1898- the Spanish-American War 1906- first radio broadast 1881- President Garfield a
Consider the following division of polynomials. x4+x3+7x2-6x+8/x2+2x+8 A) Use long division to determine the quotient of the polynomials. Show all of your work
The length of the rectangular tennis court at wimbledon is 6 feet longer than twice the width. if the court's perimeter is 240 feet, what are the court's dimens