Answer:
Hello! answer: 6
Step-by-step explanation:
6 people get to work in 20 minutes which is the only option which is less than 40 therefore 6 is the answer Hope that helps!
Answer:
It depends on the type of numbers that are acceptable. If you state your problem in words
x - y =8
x + y = 1
The answers are x = 4.5
y = -3.5
Answer:

all values stand for 3x+(-5)=19
- 3x-5=19=> 3x=24=> <u>x=8</u>.
Three step requires another step, so it is difficult than two step process.
no, their is no limit to the number of steps it take to solve an equation.
Every number can be described as a sum/difference of two or three numbers.
Answer:
The answer to your question is: both lines are the same.
Step-by-step explanation:
3x + 3y = 10
-9x -9y = -30
Elimination method
9x + 9x = 30
-9x - 9y = -30
0 0 0
It would be first 31/40,0.7,78%
It might be wrong