ttneedshelp1 ttneedshelp1

02-03-2017
Mathematics

contestada

how do i solve 5x-9y=-17 and 5x+3y=19 in elimation

Respuesta :

wolf1728 wolf1728

02-03-2017

A) 5x -9y = -17
B) 5x +3y = 19
If we multiply equation A by -1

A) -5x +9y = 17 then add it to B)
B) 5x +3y = 19
12y = 36
y = 3
we have eliminated the "x" term.

Answer Link

Otras preguntas

3y=x (tell whether x and y show direct variation

explain how you can tell 31\33 is in simplest form

what is Nunavut and what challenges has it faced recently?

Explain what has to happen to join two monosaccharide units into a disaccharide.

3y=x (tell whether x and y show direct variation

3. You are walking in Paris alongside the Eiffel Tower and suddenly a croissant smacks you on the head and knocks you to the ground. From your handy dandy touri

What is the prefix of irresponsible?

a glacier in Alaska moves about 29.9 meters a day. About how much farther will it move in 1,000 days than it will move in 100 days?? #help

y+2=x (tell whether x and y show direct variation)

When did the Vietnam war end