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

how do you write 4540 million in standard form?

How do you?...Multiply out and simplify 10(2x-1)-20x?

you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot

Mini-Project: Cents and the Central Limit Theorem 1. Collect a sample of at least 50 pennies by setting aside all the pennies you receive in change for severa

how do you write 4540 million in standard form?

in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.

What were the major causes of WWII? Please include at least 4 answers.

The function of the eardrum in the middle ear is to

you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot

Mini-Project: Cents and the Central Limit Theorem 1. Collect a sample of at least 50 pennies by setting aside all the pennies you receive in change for severa