What is the author's purpose in the article "Improving Old MacDonald's Farm"? O to convince readers to only purchase products from responsible farms

O to persuade people to stop eating meat to curb pollution

O to describe how agricultural activities are polluting water

O to explain the purpose of conducting soil tests on farms​

x=4, y=4

step-by-step explanation:

y=2x-4;

x+2y=12

we can use substitution since the first equation is solved for y

where ever you see y in the second equation, replace it with 2x-4

x + 2(2x-4) = 12

distribute the 2

x+4x-8 = 12

combine like terms

5x-8=12

add 8 to each side

5x-8+8=12+8

5x=20

divide by 5

5x/5 = 20/5

x =4

we still need to solve for y

y = 2x-4

we know x =4

y = 2(4) -4

y = 8-4

y=4

“yesterday’s the past, tomorrow is the future, and today is a gift, that’s why we call it a ”

looking for a friend..

where is the sentence at?

i know its the art of writing?