Answered

Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

Sven is thinking of tow numbers the sum is 12. the difference is 4

Sagot :

0000000
a+b=12
a-b=4
------------(+)
a+b+a-b=12+4
2a=16
a=8
8-b=4
b=8-4
b=4
apologiabiology
sum means add
difference menad subtract
2 ways to solve,
1, eliminate
x+y=12
x-y=4
so
we can add the 2 equations
x+x+y-y=12+4
2x=16
divide 8
x=8
subsitute
8+y=12
subtract 8
y=4

the other ways is subsiute
x+y=12
x-y=4

x-y=4
add y to both sides
x=4+y
subsitute 4+y for x
4+y+y=12
subtract 4
2y=8
divide 2
y=4
subsitute
x+4=12
subtract 4
x=8



the numbers are 8 and 4
Thanks for using our service. We aim to provide the most accurate answers for all your queries. Visit us again for more insights. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.