onaloubenedict onaloubenedict

04-01-2022
Mathematics

contestada

I will mark brainly, help me with this question please.

I will mark brainly help me with this question please class=

Respuesta :

profereyes12122 profereyes12122

04-01-2022

Answer:

15 and 3

Step-by-step explanation:

[tex]x+y=18\\x-y=12[/tex]

the equations are added:

[tex]2x=30[/tex]

[tex]x=30/2=15[/tex]

[tex]15+y=18\\y=18-15[/tex]

[tex]y=3[/tex]

Hope this helps

Answer Link

Otras preguntas

Okay so I have three tests tomorrow. Haven't even started studying for two of them (Literature and History) but I already know science. How do you all learn 40

During an investigation, a student determines that a copper sample has a density of 8.10g/mL. What is the student's percent error if the a ccepted density for c

Which shows 5.45 written as a mixed number?

What is the value of 9P5? A. 45 B. 126 C. 15,120 D . 59,049 A cooking club has 12 members.How many ways can they select a president and vice presiden

solve the proportion2x + 1/x + 1 = 14/3x-1

How many combinations of 3 students can a teacher choose from 32 students? A. 96

When 70,000 is written as 7.0 10^{n} what is the value of n ? Can you please explain with some details?

how far away is all 9 planets from the sun

What is a sound wave?

How long does water evaporation take? What factors influence it?