Answer:
your mom
Step-by-step explanation:
Use the elimination method to get rid of one of the variables.
Find the value of one variable.
Find the value of the remaining variables using substitution.
Clearly state the final answer.
Check your answer by substituting both values into either of the original equations.
Yes, she is correct. If you plug 2 into the equation, you will see this:
(1/2)(2) -7
1-7
= -6
So, the pair of values is (2,-6). Emma is correct.
Answer:
The caterer served 5 hours. x = 5
Step-by-step explanation:
25x + 225 = 350
We must use inverse operations to get x
25x + 225 - 225 = 350 - 225
25x = 125
25x ÷ 25 = 125 ÷ 25
x = 5
the caterer served 5 hours.
I hope this helped and if it did I would appreciate it if you marked me Brainliest. thank you and have a nice day!
Do you mean the expression for "<span>The product of seven, x and y"?
then it is 7*x*y=7xy</span>
420-x=76 try that equation if not you might want a math tutor.
