heavrilbekayra heavrilbekayra

04-05-2016
Mathematics

contestada

Solve the system by the elimination method. Check your work. 3a + 5b - 7 = 0 a - 2b - 4 = 0

Respuesta :

meerkat18 meerkat18

11-05-2016

3a + 5b - 7 = 0
0a - 2b - 4 = 0

-2b = 4 - 0a
b = (4 - 0a)/ -2
b = -2

3a + 5b - 7 = 0
3a + 5(-2) - 7 = 0
3a - 10 - 7 = 0
3a - 17 = 0
3a = 17
a = 17/3 or 5 2/3

Answer Link

Otras preguntas

You work as an assistant in your school’s computer lab. A student asks you to help her install a program on her laptop using an installation disc she borrowed f

If I wanted to type my company name in a circle on an Illustrator document, what tool would I use? Area Type Tool Type on a Path Tool Vertical Type Tool Touch T

Making Sentences1.immature-2.stimulate-3.condensation-4.spawning-

PRACTICE PROBLEM Find the area of the parallelogram _____ Square units KHAN ACADEMY

Although Enrique continues to make poor decisions and is even imprisoned, he has what the author calls “enormous luck.” Using details from the story, explain wh

Who is the father of the humans?

Under what circumstances would a food pyramid be a more useful model than a food chain?

Please answer this question

LOTS OF POINTS + BRAINLIEST Suppose p and q are both prime numbers with p > q. Prove that p-q and p+q cannot both be positive perfect squares. FULL PROOF REQ

The height of a triangle is 4cm more than twice the length of the base.The area of the triangle is 35 square cm.Find the height of the triangle.