15-04-2020
Mathematics

contestada

Pair of linear equation in 2 variables graphical method
2x-y+1=0
x-2y+8=0
Pls help

Respuesta :

pnteidu pnteidu

15-04-2020

Step-by-step explanation:

2x-y= -1

x-2y= -8

eqn2*2=2x-4y= -16

eqn3- eqn1

-3y=- -15 y=5

2x-5= -1

2x=4 x=2

Answer Link

Otras preguntas

What is the median of 123,138,142,133

Plz help me I don’t understand it’s hard

Need to find missing angles pls help me I can’t do it

which of these is the best example of a goal for an improved diet

A mixture of f2, h2 and xe have mole fractions of 0.25, 0.65, and 0.10, respectively. what is the pressure of f2 if the total pressure of the mixture is 3.9 atm

Which statement best analyzes how the author develops the central idea across the two passages? Alvarez describes how the SIM’s threats and activities followed

ASAP!!! 40 pts!!!!!! for original answer!!!!!!! 1 ) Explain how the surface area and volume of cells affect the rate of exchange of materials in and out of cel

anecdotal observation objective writing examples

A mixture of very finely ground iron particles and sand particles could best be separated in lab by: a magnet adding water and filtering the metals comparing th

PLEASE JUST ANSWER THIS ASAP FOR BRAINLIEST!! Which monomials are divisible by -8b^3? Choose all answers that apply: A. 16b B. 4b^5 C. None of the above.