hahntimmy hahntimmy

11-10-2016
Mathematics

contestada

solve the system of equations 3x+2y=14 2x-4y=4

Respuesta :

texaschic101 texaschic101

11-10-2016

3x + 2y = 14....multiply by 2
2x - 4y = 4
----------------
6x + 4y = 28 (result of multiplying by 2)
2x - 4y = 4
----------------add
8x = 32
x = 32/8
x = 4

2x - 4y = 4
2(4) - 4y = 4
8 - 4y = 4
-4y = 4 - 8
-4y = -4
y = -4/-4
y = 1

solution is (4,1)

Answer Link

Otras preguntas

Please help As soon as possible! One of the fastest recorded speeds of an alligator on land is 8.8 m/s. Approximately, what is this speed in kilometers per hour

In the Declaration of Independence, whom did the Americans indict for "repeated injuries and usurpations"? A) King George III, because of the crown's apparent i

Odell walk 7.35 Mi his brother Darnell walk 2.3miles as much as Odell how many miles did Darnell walk

Y=4x-18 Find ordered pairs of intercepts of each line

The mean is defined as the ?

what kind of offering is the most complete and significant offering in Leviticus? 1. Burnt 2. Meal (3meat)

what is the lcm of 6 and 7

To find 27 x 600 just plus 27 + 27+ 27 + 27 + 27 + 27 = 162 then add the zeros in 600. That is the answer

When were Aztecs discovered

Write the phrases in the plural