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

Which is an equation of the given line in standard form? A. –8x + 9y = 23 B. –8x + 9y = –23 C. –8x + 7y = 25 D. –9x + 8y = –23

Why did not the united states want Texas to join

explain how you know 6/6 and 1 are equivalent

how do you do 2 1/9 - 7/6 I need help please

claudia is making a gelatin desseert for a party.She plans on making 12 servings for every 5 people.If each pan claudia uses to make the dessert holds 8 serving

Plants are unique because they have _____, which absorb light energy from the Sun. a. plastids b. vacuoles c. chloroplasts d. mitochondria

Susan had 8/10 of a gallon of paint. She used 1/3 of the 8/10 of a gallon to paint her bathroom. How much paint did susan use to paint her bathroom

Read the following sentence. Pomelos and oranges types of citrus fruits grow in tropical climates. What is the best way to rewrite this sentence? Pomelos and or

What does the cartoonist suggest will happen to individuals because of the crash?

Choose the option that best represents a characteristic of an effective summary. eliminates language that is not essential to comprehending the original passage