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

Both fear and excitement activate the release of norepinephrine in the body. Please select the best answer from the choices provided T F
im a bit rusty on my graphing plz help me which do you graph first x line or y line
Convert the polar coordinates (0,23°) to Cartesian coordinates. (0, 23) (0, 0) (23, 0)
A number cube is rolled 30 times, and a number less than four comes up 22 times. What is the experimental probability that a number less than four is rolled? A
Which of the following sentences is punctuated correctly? A. Mom replied, Get your things. We'll go now. B. Mom replied, "Get your things Well go now."
According to Emerson, what is a chief virtue of children
Forming a hypothesis is accomplished through_____. Deductive reasoning abductive reasoning inductive reasoning subjective reasoning
find the value of x.Then find the angle measures of the polygon
Write 7.41*10^(4) in standard notation.
This question is for friends(Guess) What color are my eyes? Blue Red Green Hazel Brown Gray or Black?