Seudónimo Seudónimo

12-01-2017
Mathematics

contestada

Solve the system of the linear equation by adding or subtracting.

6x+y=13
3x+y=4

Respuesta :

antonio9990 antonio9990

12-01-2017

6x+y=13 / *(-1)
3x+y=4
-------------
-6x-y= -13
3x+y = 4
========== + + +
-3x / = -9
x=2

x=2 => 3x+y=4
3*2 + y=4
6+y=4
y=4-6
y= - 2

Answer Link

Otras preguntas

convert 62.4lb/ft^3 to kg/m^3

Why was slavery introduced and allowed in Georgia during the trustee period? The end of land-ownership restrictions led to the development of large plantations

Need some help on this one I know it’s not element cloud

A cookie factory uses 1 1/5 bags of flour in each batch of cookies. the factory used 7 1/5 bags of flour yesterday. how many batches of cookies did the factory

In module 1 you learned about homeostasis. what are four ways the skin helps an individual maintain thermoregulation? make sure you define homeostasis as part o

Why do you think there is a stigma surrounding STI

Big Bob is on his Harley and moving at 14.0m/s. He then accelerates to a velocity of 25m/s over a distance of 0.250 km. What is Big Bob’s acceleration?

What was Hurst Nation

what was going on in the country during the time Paul Laurence Dunbar lived?

What is this problem -12=4(x-7)-8x