30-10-2019
Mathematics

contestada

what is answer for y=2x+1 ×+3y=31

Respuesta :

30-10-2019

Answer:

x = 4 and y = 9

Step-by-step explanation:

y = 2x+1----(1)

x+3y = 31------(2)

(1)into(2) x + 3(2x+1) = 31

x + 6x + 3 = 31

7x = 28

x = 4

sub x=4 into (1) y = 2(4) + 1

= 9

(Correct me if i am wrong)

Answer Link

Otras preguntas

Read the excerpt from " The Pit and the Pendulum ". Question) The narrator is not reliable because of the conditions he faces. He and the reader do not know, fo

How does Ernesto feel about starting a new school? Pls i need this

Define the word innovation

Find the least length of a rope which can be cut into whole number of pieces of lengths 45cm, 75cm and 81 cm

step by step 6x+1<9-2x 2x-1 less than or equal to 5x+20 3-(2x-7) less than or equal to 34-6x

This is for a mastery

Wall lizards are not seen during cold, Why?

Read the following two arguments about school uniforms then answer the question below. Carl: "Imagine a world without color and free choice. That will be the wo

Read the following quote from a group discussing how to increase recycling in their school. “My research shows that there is not a recycling bin in every classr

2(k+ 4) = 3(k-2) HELP PLEASE

ACCESS MORE EDU ACCESS Universidad de Mexico