02-12-2020
Mathematics

contestada

Using the elimination method to solve
2 x-y=8
x + y = 20

Respuesta :

sallymiguel02 sallymiguel02

02-12-2020

Step-by-step explanation:

2x-y=8

x+y=20

------------

3x=28

×=28÷3=9.3

so

9.3+y=20

y=20-9.3

y=20.7

Answer Link

Otras preguntas

Sarah, a self employed blogger, has adjusted gross earnings of $45,162 this year. Find the amount of social security and Medicare taxes paid by Sarah

Some statistics show that people who are more educated have fewer children. Which of the following could possibly explain this phenomenon? A. People who are mor

The table shows Alice's age (a) and her daughter Martha's age (m). Complete the table and the equation. Alice’s Age in Years (a) Martha’s Age in Years (m) 28 6

Dinoflagellates can perform photosynthesis and provide energy for themselves and for the coral that they live near. The coral provide protection to the dinoflag

What is the density of a liquid with a mass of 2 kg & a volume of 10 liters

The role of a circuit breaker is

1. m’+9 = 58m=2. 7e² = 28erd=3. d? + 6 = 704 n - 10 = 62N=

Read these lines from the poem and answer the question. Husky of voice—stout of Step With fists as well as Hands How they battered down Doors The poet’s word ch

which of the followint iw a linear equationwhich linear equation brlow is in the correct form etc

How many terms does the polynomial 4x2+3x contain?