Jadebonin Jadebonin

08-12-2014
Mathematics

contestada

What is 2x-y=-1
3x-2y=1

Respuesta :

missbunny missbunny

08-12-2014

To solve just isolate y from 2x-y=-1 to get y=2x+1. Then substitute y=2x+1 into 3x-2y=1. So it should be this: 3x-2(2x+1)=1. Distribute to get 3x+4x-2=1. Add the x's to get 7x-2=1, add two to both sides to get 7x=3 and divide to finally get x=3/7.

Answer Link

Otras preguntas

Quorum sensing is triggered to begin when ___________. treatment with antibiotics occurs bacteria release growth hormones bacterial protein expression is switch

A rectangular room has a width of 5 yards and length of 6 yards. How many square-feet carpet will be required for carpeting the room? A) 250 B) 270 C) 300 D) 33

Write the expression 5 - 9 in two different but equivalent forms.

The letter P on the number line below represents the number ______. (Use the hyphen for negative numbers and write the answer as a decimal, such as -7.2) Numbe

Janine was very active throughout her early adulthood and maintained a very high fitness level. If she wants to maintain this fitness level throughout her middl

What is -8 +5 using a number line

1. Compraré un carro híbrido con tal de que no (ser) muy caro. Compraré un carro híbrido con tal de (conservar) los recursos naturales. 2. Los biólogos via

In 1976, Jimmy Carter won the presidential race in part because he: a. promised a return to American isolationism. b. did not support affirmative action. c. pro

Can a human male be a carrier of red-green color blindness?

Which polysaccharide is usually found in the cell wall of fungi? starch glycogen chitin cellulose