keeykeey22 keeykeey22

02-03-2017
Mathematics

contestada

use the elimination method to solve the system of equations.choose the correct ordered.
4x+7y=60
-4x+7y=-4

Respuesta :

wolf1728 wolf1728

03-03-2017

A) 4x+7y=60
B) -4x+7y=-4
Adding the 2 equations
14y = 56
y = 4

A) 4x+7*4=60

A) 4x+28=60
A) 4x = 32
x = 8

Answer Link

Otras preguntas

What will happen to density of urine when a diabetic excretes too much sugar ?

which monomial has the highest degree

Pleeease answer! 10 POINTSAn endothermic reaction will start when the required (delta)H energy is received from the environment or solution. True or False

Why does the thermosphere have the highest temperature of all the atmosphere layers?

Keith left his house, rode his bike 3 miles along one road, took a 90 degree turn, and rode 3 miles to the local swimming pool. If he had ridden directly to the

find the total cost of five pop up hampers at 11.99 each and three nonstick mini doughnut pans at 10.99 each

[tex] \pi x^{2} [/tex] = a

Can anyone help me please

I need help asap! 20 POINTS Put the European explorers and their journeys in the order in which they happened.

Old immigrants were what