How do I solve system of equations substitution method??!!?!???

Question

07-02-2019
Mathematics

contestada

How do I solve system of equations substitution method??!!?!???

Respuesta :

Otras preguntas

there are 1001 pennies in a line i change every second pennie with a nickel i change every third pennie with a dime and i change every fourth pennie with a quar

1.3 in place value. Please

What is 75.62-72.28=??

tell me a hypothesis for the corrosion experiment for iron nails?

why do we analyze literature ?

need the reciprocal of 1/2

Como se dice aventon en Puerto Rico

dictatorship in sentence

which organ secretes a hormone that regulates the rate of metabolism in the human body? a. kidney b. spleen c. pancreas d. thyroid

noxes noxes · Answer 1 · 2019-02-08T00:12:53+01:00

noxes noxes

08-02-2019

for example:

x+2y=7
6x+7y=2
__________

x=7-2y *
6*(7-2y)+7y=2 **

__________

x=7-2y
42-12y+7y=2
__________

x=7-2y
-5y=-40
__________

x=7-2y
y=8

x=-9

Answer Link