karen768 karen768

18-12-2019
Mathematics

contestada

Solve the system of linear equations by substitution.
2x-y =23
x-9 = -1

Respuesta :

18-12-2019

First find x
X-9=-1
X= 8

2(8)-y=23
16-y=23
-y=7
Y=-7

Answer Link

cmsummerfield30 cmsummerfield30

01-10-2020

Answer:

X=8, Y=-7

Step-by-step explanation:

Answer Link

Otras preguntas

Select the correct summary statement that is also formatted correctly. Nestor is trying to prevent an argument when he says, ”Let kings be just, and sovereign p

Which equation is the inverse of y = 7x2 – 10?

Why did the interstate commerce commission have difficulty enforcing reforms

Which of the following describes stage directions? a. explanations about how the actors sound and behave b. the meaning behind events and characters’ actions

What is the solution to the equation? 2 x squared plus 4 equals 20 Choose all answers that are correct. a. − 2 square root of 2 b. − 2 square root of 8 c. 2

Which sentence does not contain any punctuation errors? a. My brothers cleaned up washed dishes and put the leftovers in the refrigerator. b. My brothers clea

what is 3 divided by 248

In the xy-plane, triangular region R is bounded by the lines x=0, y=0, and 4x+3y=60. Which of the following points lie inside region R? a. (2, 18) b. (5, 12)

How many edges are there in an octahedron, a polyhedron with eight congruent triangular faces?

Which best states George Washington’s connection to the 1787 Constitutional Convention?