kamryntolbert kamryntolbert

02-12-2016
Mathematics

contestada

how do i solve
y=4y and
x+y=5 while solving systems by subtitution

Respuesta :

PossiblySomebody PossiblySomebody

02-12-2016

Subtract y from both sides to get 0=3y and 5=y+x Multiply this one by -3 to get -15=-3y-3x The Ys cancel and you get -3x=-15 solve for x and substitute it in the y equation to check (y should be 0)

Answer Link

Otras preguntas

Pete traveled 1,380 miles in two days. The first day, he traveled 1.5 times as far as he did the second day. How many miles did he drive on the first day? A. 5

The tongue is covered with hairlike projections called A. taste buds. c. cilia. B. papillae. d. tactile receptors.

what numbers multiply to 6 and add up to 9

Which of the following would be considered a primary source? A. a biography about Winston Churchill B. an audio recording of Winston Churchill C. a timeline o

Freewriting is a tool used to

What is the sum of 2/10 and 3/10 in simplest form

The Intolerable Acts caused the formation of the Continental Navy

Write an expression that can be used to find the total cost of 2 pounds of peanuts,3 pounds of cashews and 1 pound of almonds, all for 20% off. Peanuts.....$3.9

Alex thinks of a number. he adds 18 then divides it by 2. he gets the same answer that he would have if he had multiplied the original number by 5.

Coherence means the ideas in a paragraph are logically connected. True False