02-11-2017
Mathematics

contestada

Elimination
4x+5y=-15
-3x-2y=13

Respuesta :

Dreamer4102001 Dreamer4102001

04-11-2017

multiply the first equation by 3 and tge second by 4:
12x+15y=-45
-12x-8y=52
then add the equations:
0x+7y=7
7y=7
y=1
so 4x+5(1)=-15
4x+5=-15
4x=-20
x=-5

Answer Link

Otras preguntas

What are two reasons

Why is it important to limit the liens and the complexity of oral presentation?

The Bruin Stock Fund sells Class A shares that have a front-end load of 4.8 percent, a 12b-1 fee of 0.42 percent, and other fees of 1.3 percent. There are also

sentence reordering (1).prayer brings about / change in oneself / God' s intervention / most of all , / even without .(2) religion,caste / polio strikes / irres

As a project manager for a large construction company, Shaun decided to make the performance appraisal process as painless as possible for his crew. He spent a

In this passage, the word skirmish means A) appearance. B) fight. C) history. D) location.

I WILL GIVE YOU BRAINLESS AND 50 POINTS IF YOU CAN ANSWER THIS QUESTION FAST!!!! Do you think women should have been able to vote based on the language in 15th

Which of the following is NOT a professional networking site? A. Xing B. Ryze C. Spoke D. Buzznet E. LinkedIn

30% of what number is 270,000?

PLEASE HELP I GOT 5 MINUTES LEFT PLEASE Insurance, retirement funds, and investing came about: When British sea-trade developed and concern arose for families