gapeaches2580 gapeaches2580

09-08-2021
Mathematics

contestada

Solve the System of Equations by Substitution. Show ALL work

x+y=18
y=2x-3

Respuesta :

teags88 teags88

09-08-2021

x + y = 18 ——— (1)
y = 2x - 3 ——— (2)

sub (2) into (1)

x + (2x - 3) = 18
3x - 3 = 18
3x = 21
x = 7

Hope this helps!

x

Answer Link

Otras preguntas

Which of the following is not a way an atom can achieve stability? A. Lose electrons to achieve a noble gas configuration B. Share electrons to abid

Solve for x. 2/3 (x-7) = -2 X= ?

How to determine if a table has a function?

Suppose that to make the golf team you need to score no more than 74 on average over 5 games. if you scored 77, 71, 77, and 67 in your first 4 games what is the

Ella is calculating her net worth. she has listed these items: $170 jewelry, $20 borrowed from mom, cd player, $25 in savings account. which is not an asset?

Select all that apply: Which mountain ranges are part of the Appalachian System of the Northeast U.S.? A. Adirondacks B. Alleghenies C. Catskills D. Cordilleras

Why did George H.W. Bush choose not to intervene in Yugoslavia’s civil war?

what is 3a times 3a times 3a written in exponentional form

Franco borrows $400 and will pay 4% simple interest. Write an equation to answer each question. A. What will be the amount of interest if Franco pays back the l

How long would it take to travel 630 miles at the rate of 35 miles per hour?

good job