lmontagna71114 lmontagna71114
  • 14-03-2020
  • Mathematics
contestada

I need help solving systems of linear equations by substitution.
The problem is
{4x-3=5
-8x+6y=-10

Respuesta :

nidazain
nidazain nidazain
  • 14-03-2020

Answer:

x = 2 and y = 1

Step-by-step explanation:

4x = 5+3

4x = 8

x = 8/4

x= 2

so substitute the value of x in the second problem

-8(2) + 6y = -10

-16 + 6y = -10

6y= -10 + 16

6y= 6

y= 6/6

y = 1

Answer Link

Otras preguntas

PLEASE HELP! Emma prepared two glasses of water at two different temperatures. She added a spoonful of table salt to the cold water in glass #1 and spoonful of
1. Calculate the frequency (v) of a wave whose wavelength (X) is 5.89 x 108 m. Remember Einstein proposed the speed of light (c) = 3.00 X 10m/s. C=Xv
Anyone ??? I need help
What are the two part of parliament??
What is the 18th amendment and how did the citizens react to it?
What first caused people to consider that the continents were once one large landmass?A: glacier evidence in warmer countriesB: continents looked like they fit
INSTRUCTIONS: Answer all question (9) The key of ____ major serves as a guide for constructing other keys (a) A (b) B (c) C (d) D(15) Which of these is right ab
Select all that apply Which provisions of the Sugar Act were meant to reduce smuggling? Multiple select question. the provision allowing officers to seize goods
a store is selling 10 apples for 5.99 what is a cost of one apple?
What is the value of x?