Question

HELP PLEASE!
Two numbers differ by 57. Their sum is 185. Find the numbers. Choices for the smaller number: 54, 64, 74
(STEP BY STEP TO HELP BETTER UNDERTSAND)

Answer 1

it's like solving a system , let's take x and y those two numbers, now you express mathematically what you said about their difference and sum can you do that ?

Answer 2

i dont think so...?

Answer 3

x and y differ by 57 their sum = 185

Answer 4

let's express the difference so you said that the two numbers which means x and y diffr by 57 i.e. x-y=57 agree ??

Answer 5

AGREE

Answer 6

what about the sum can you figure it out ?

Answer 7

I HAVE NO IDEA :/

Answer 8

the sum is expressed by + so thier sum is 185 which means x+y=185 and now is it clear enough ?

Answer 9

SO WE HAVE TWO EQUATIONS RIGHT?

Answer 10

right and more that that you have a system
x+y=185
x-y=57
do you know how to solve it ?

Answer 11

there is two ways the first is by replacing a variable by its expression in one of the equations and the second way is to add the both sides of the equations to each other what do you prefer ?

Answer 12

IS THIS RIGHT??