kieraballetbear
kieraballetbear kieraballetbear
  • 02-05-2021
  • Mathematics
contestada

Solve the system with substitution
72 +10y = 36
y = 2x + 9

Respuesta :

centauron114 centauron114
  • 02-05-2021

Answer:

x= -63 y= -117

Step-by-step explanation:

72+10(2x+9)=36

72+20x+90=36

162+20x=36

20x=-126

×= -63

y= 2(-63)+9

y=-126+9

y= -117

Answer Link

Otras preguntas

A travel agency Wants people to go on a tour of the mountain region with many glaciers. Write a paragraph for a travel brochure describing what people will see
A cylinder has a volume of 225π inches3 . What is its height, if its radius is 10 inches? A) 2.25 inches B) 22.5 inches C) 2.25 π inches D) 0.716 inches
On her way to work each morning sophia purchase a small cup of coffee for 4.25 from the coffee shop
The rectus abdominis is classified as a convergent muscle. a. True b. False
True or false: all economists believe that predatory pricing is a profitable business strategy.
HELP ASSAP WITH THIS QUESTION
An equilateral triangle has a perimeter of 9x+6. What is the length o each side of the triangle?
Which of the following is not a good tip for creating clear presentations?
Which line will have no solution with the parabola y – x + 2 = x2? y = –3x –3
How many sides for a polygons whose interior angle sum is 5400