kakkakaja kakkakaja
  • 10-01-2019
  • Mathematics
contestada

what is 2x=y-10
x+7=y

Respuesta :

fizzy95jo
fizzy95jo fizzy95jo
  • 10-01-2019

Answer:

x = -3

y = 4

Step-by-step explanation:

first i plug y=x+7 for y on 2x=y-10

this makes it 2x=x+7-10

then i solve 7-10 to get 2x=x-3

i subtract -x from both sides to get x=-3

so i plug in x=-3 to x+7=y to get -3+7=y which makes y=4

Answer Link

Otras preguntas

Choose the answer that best completes the sentence. Nosotros __________ en la cocina. A. está B. están C. estamos D. estáis
True or false: effective trainers know how to project their voice. in a large room, it is best for instructors to use their own voice unamplified, so that they
The difference between a succession stage and a climax community?
Estimate a solution for 6n+3=2. Use a table
what is the y-intercept of the graph 3y+4x=15
I NEED HELP AS SOON AS POSSIBLE! The Hobbit Chapter 8 1. What happens to Bombur? 2. What does Bilbo name his swo
How did mansa musa organize and protect his empire ?
245÷62 and 23÷8303 and 14÷532 and 11×8-6÷2
Somalias government experienced instability because of repeated___ in 1969, 1991, and 2004
Select all of the answers that apply. Which of the following help create volcanoes? plate tectonics landslides cracks in Earth's crust built up magma