genitamangur genitamangur

26-04-2017
Mathematics

contestada

Use the substitution method to solve the following pair of simultaneous equations.
x+3y=4
y=2x-1

Respuesta :

JohnnysteinR JohnnysteinR

26-04-2017

x + 3y= 4

-2x+ y= -1 (-2x from the other side)

2x+ 6y= 8 (multiply by 2)

-2x+ y= -1

7y =7

y= 1

x+ 3(1)= 4 (you do this to find the y)

x+ 3= 4

x= 1 (-3 from the other side)

x= 1 y=1 (1,1)

Answer Link

Otras preguntas

Which person did not want Tariffs? Which event taxed poor soldiers and put them in jail if they didn’t pay their taxes? What was the proposed law that would hav

Why was Stalin's plan unsuccessful in helping the economy

All things being equal, when producers sell goods for a lower price, they make:A. The same amount of money.B. Less Money.C. As much money as the law allows.D. M

Sasha makes a wooden base for a sculpture with the dimensions shown. The sculpture is too heavy for the base, so she needs to add a brace from point C to point

What made Langston Hughes' poetry significant? A. His poetry gave African Americans a way to feel pride in their culture. B. His poetry encouraged many African

Please help me with this I need to get it done

What is the mistake in these sentence? A producer oversees all aspects of a show including the budget.

Chase is trying to push a 210 kg boulder along the street. he applies a force of 180 newtons over a distance of 2.3 meters. how much work has chase done?

A cat eats 2/3 of a tin of cat food every day. How many tins of cat food will she eat in 1 week?

what was your favorite year from 2016-2022