shay191
shay191 shay191
  • 15-06-2017
  • Mathematics
contestada

what is the solution to the system of equations ?y=2x-3.5 x-2y=-14

Respuesta :

hanima
hanima hanima
  • 15-06-2017
y = 2x-3.5 ----->1
x-2y=-14. ----->2

1 into 2

x-2(2x-3.5)=-14
x-4x+7=-14
-3x=-14-7
-3x=-21
x=-21/-3
x=7 --- -->3

3 into 1

y = 2x-3.5
y=2(7)-3.5
y=10.5


:)




Answer Link
kaleblopez2003
kaleblopez2003 kaleblopez2003
  • 08-08-2018

ANSWER IS C E2020 :.

Answer Link

Otras preguntas

The function p(x) = –8x2 – 64x can be written in vertex form p(x) = a(x – h)2 + k, where a =
What is the length of a rectangle that has a width of 2.5 centimeters and an area of 20.5 square centimeters? how many cm's
how did world war 1 help the 18th amendment get ratified
What is the slope of the line through (6,9) and (7,1)?
how were enslaved African Americans impacted by westward movement
Which is the correct definition of drug abuse?
Triangle A is rotated 180° counterclockwise about the origin. Which figure is the transformed figure?
Please help me please. What is the slope of a line parellel to the line whose equation is y=4x+5
A friend bought a house 15 years ago, taking out a $120,000 mortgage at 6% for 30 years. How much does she still owe on the mortgage? You can afford a $700 per
exponential form of 16807