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

One salesperson earns $1600 per month. A second salesperson earns $500 plus 5% of their sales. For what amount of sales would the second salesperson earn more t

How do you call an organisms position in a food chain, which is determined by its feeding relationships?

9+10p-3= i dont understand please help and explain

When you open a savings account at a bank, the money you put into the savings account is protected by... ...FDIC (Federal Deposit Insurance Corporation) ...ST

Which sentence is punctuated correctly? Coach says, it’s best to warm up your muscles first, then stretch carefully before you run. Coach says, “it’s best

Last QUESTION IM BEGGIN SOMEONE PLEASE HELP ME!!!!

What special powers did diviners claim to have? How did kings use diviners?

sentence using the words flow and soap

What is the kinetic energy of a 1800 kg car traveling at a speed of 30 m/s (≈65 mph)?

Anybody speak Spanish? which is correct? yo estoy alta yo estas alta yo soy alta yo eres alta