jcastronakaya
jcastronakaya jcastronakaya
  • 12-02-2019
  • Mathematics
contestada

The sum of two numbers is 63, and their difference is 7. Find the numbers. Use x-(63-x)=7

Respuesta :

bibiibii
bibiibii bibiibii
  • 12-02-2019

Answer:

The two numbers are 28 and 35.

Step-by-step explanation:

x + y = 63  

x - y = 7  

Get one equation with one variable. We can't solve for a variable if we had two variables in one equation.

Add the two equations together.  

2x = 70  

x = 35  

You see, the y's canceled out and we can solve for x.  

Now plug x back in to solve for y.  

35 - y = 7  

-y = -28  

y = 28  

Answer Link

Otras preguntas

In a absolute monarchy, how much power does the king have over the citizens
If you want to improve your muscular strength, what is the best plan?
Which practice sometimes lead to a tenant farmer being treated like a slave?
What is the relationship between the volume of water and the dripping time?
Ethnomusicologists study music as an aspect of culture using which objects?
Which symbol is used to make -6 ? |-8| a true statement?><=
Which algebraic property could be used to rewrite 4x + 2y as 2y + 4x? Associative Property of Addition Associative Property of Multiplication Commutative Pro
Sid wrote 541,309 on his paper. Using number and words, explain how the number would change if he switched the digits in the hundred thousand and tens places
Which of these statements is written using active voice? Donations have been provided to the shelter. The shelter was given donations by them. He often volu
Which form of visual representation of data is best suited for this task?