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

Which of the following is not an example of mass wasting? A. a rockfall B. a shuffle C. a slump D. a creep
find the slope and y intercept of 5x-2y=-4
Simplify 56:40:16 (show your working)​
What is the most likely meaning of the phrase flag of distress? a signal indicating danger or the need for help an instrument that marks the exact time or date
The new bench was brought by the delivery man.
Which number is a counting number? Can you do both of them plz
Explain why a new toliet is being designed for the next mission to the moon use text evidence to support your answer a toilet on the moon is the story
The distance along a straight road is measured as shown in the diagram below. If the distance between towns A and C is 67 miles, find the value of x. Hint: If y
length and width of a field are in the ratio 5.3 If the wilth of 아 the field is 42m, then its length is​
plz help to solve it​