nathaliagonzalez nathaliagonzalez
  • 02-12-2020
  • Mathematics
contestada

if -2x+3=7 and 3x+1= 5+y

Respuesta :

lindsayextra2 lindsayextra2
  • 02-12-2020

Answer: x = -2, y = -10

Step-by-step explanation:

solve for x first in the equation -2x+3=7

-2x+3=7

-2x = 4

x = -2

now plug that x value into the other equation so we can find y

3x+1 = 5+y

3(-2)+1 = 5+y

-6+1 = 5+y

-5=5+y

-10 = y

Answer Link
ddss1972
ddss1972 ddss1972
  • 02-12-2020

Step-by-step explanation:

-2X+3=7

-2X= 7--3

X=-2

2nd equation

3(-2) +1= 5+y

y= -10

Answer Link

Otras preguntas

How does the saguaro cactus take advantage of rare, brief rainfall?
If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only
Explain how you would use a number line to find 6+(-8)
how to solve x to the power of 2 = 14
The force between a pair of 0.001 C charges is 200 N. What is the distance between them?
What is two thirds of 120?
Find the original cost of a rocker selling for $159.95 at 20% off.
Which two countries were the first to declare war on Germany in WWII?
An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be 8? Express your answer as a fraction in
What's 45 out of 58 in percentage?