GeekyElement
GeekyElement GeekyElement
  • 03-12-2017
  • Mathematics
contestada

Solve the system of linear equations by substitution. Check your solution.

4x + 2y = 8
6x - 4y = 5

Respuesta :

lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 03-12-2017
8x+4y=16
6x-4y=5
_________
14x. =21
x = 3/2
4*(3/2)+2y=8
6+2y=8
2y=2
y=1

4*(3/2)+2*1=8 check
6(3/2)-4*1=5 check
Answer Link

Otras preguntas

After the war of 1812, the first expansionist goal of the republic was the acquisition of a. Canada b. california.the Oregon country florida
How do you rename 5,400 as hundreds
Which area of geographical study focuses on examining landforms, soils, and bodies of water?
During what period did Egypt reach the height of its power
For what value of a is a(2x+3)=9x+15+x an identity?
write four numbers that round to 700,000 when rounded to the nearest hundred thousand
The Aryan migration began its spread into India through the Indus River Valley mainly because that area
Translate the word phrase into a variable expression. The number a is increased by the number b. A. a – b B. a/b C. a + b D. a x b
Differentiate between pseudoscience and science
Which factor most greatly limits the power of the US government? regular, free elections a sovereign government electing a chief executive a constitutio