cachetona04 cachetona04

04-09-2020
Mathematics

contestada

How do I use substitution to solve a system of linear equations?

Respuesta :

Ruilin0715 Ruilin0715

04-09-2020

Answer:

for example:

y=2x+4

3x+y=9

We can substitute y in the second equation with the first equation since y = 2x+4.

3x+(2x+4)=9

5x+4=9

5x=5

x=1

Answer Link

Otras preguntas

Ben growled at the man who parked too close to his car. He was always guarding his prized possession. Don’t get too close or he might bite! Which figure of spee

Cells have particular structures that perform specific jobs. These structures are known as _______.

An oligarchy is best defined as

Does Wollstonecraft maintain an objective tone in the passage?

tigers living in warm climates have thinner coats of fur than tigers living in cool climates. this is a result of

Choose the connective that belongs in the blank. She left the party early. Next she went to a movie. _______ she went home. a. First b. Finally c. Meanwhile

Who signed the Atlantic charter?

Which of the following refers to Napoleon's blockade of British goods? a. Continental System c. The Directorate b. The Consulate d. The Concordat Please sel

What do food webs help us understand? a. population effects of growth b. ecological effects of energy c. ecological effects of extinction or species introduc

Mammalian limbs are adapted for a variety of methods of food gathering. true or false