codyathomas17 codyathomas17
  • 25-09-2017
  • Mathematics
contestada

Given the system of equations, what is the solution?

x + 2y = 7
x - 2y = -1

Respuesta :

Аноним Аноним
  • 25-09-2017
Add the 2 equations to eliminate the 2y. We get

2x = 6

x = 3

Plug x = 3 into the first equation:-

3 + 2y = 7
2y = 7 - 3 = 4

y = 2


Answer is x = 3 and y = 2
Answer Link

Otras preguntas

how do you fill in this? Los estudiantes malos siempre llegan - - - - - a la clase.
How can you use the distributive property to write an equivalent expression for 2l+2w? explain.
Omar scored an 82% on his first test of the quarter. Will a score of 38 our of 50 on the second test helo or hurt his grade? explain your reasoning. Using pe
8X + 3 =5x - 18 Can someone please help me
arrange the numbers in decreasing order 439.216,439.126,439.612,439.261
Lillian max and nazia share a sum of money in the atop 2:3:5 nazia receives £60 work out how much money Lillian receives.
Write a short biography on your favourite actor include what films they have been in.
who owns micronesia?
In 10 seconds a car accelerates 4/ms to 60m/s. how fast was the car going before it accelerated?
wheelchair ramps for access to public buildings are allowed a maximum of one inch of vertical increase for every one foot of horizontal distance. Would a ramp