Toogrungeforyou Toogrungeforyou
  • 02-12-2016
  • Mathematics
contestada

solve each system of linear Equations x+y=5 x-3y=3

Respuesta :

Thos Thos
  • 02-12-2016
x+y=5     y=5-x

x-3y=3
x-3(5-x)=3
x-15+3x=3
4x=18
x=4.5

y=5-x
y=0.5

check
x+y=5          4.5+0.5=5
x-3y=3         4.5-1.5=3
Answer Link

Otras preguntas

An oak tree in Jake's yard is 13 times taller than a model tree that he's making for a performance set.Together,the oak tree and model tree are 112 feet tall.Ho
A cube-shaped item needs to be painted. The item’s edge length is 2 cm. What is the total surface area that will be painted?
How did the Congressional response to the Soviet-Afghan War change Americans’ perspectives about the global role of the United States? A) Americans thought that
Are the ratios 12:9 and 6:3 equivalent?
I don't know how to do this
When a paragraph tells a story, which method of organization is being used? a. specific-to-general order b. spatial order c. importance order d. chronologic
What is the removal of fish from an area faster than the rate at which they can replace themselves called
In the Southern Hemisphere, the south point of a compass will point at the: North Pole South Pole
explain how you know that 7x is less than 7x has no solution.
What is (1.2 × 102) × (3 × 10–5)? A. 3.6 × 104 B. 3.6 × 103 C. 3.6 × 10–4 D. 3.6 × 10–3