Question

show that there are no solutions to the following:

y=3x+4
y=3x-4

Answer 1

put y from first equation in the second

Answer 2

...or subtract the second equation from the first

Answer 3

it should look like 3x+4=3x-4 right?

Answer 4

yes

Answer 5

what is result?

Answer 6

than you should get 4=-4 right?

Answer 7

yes

Answer 8

and thats why there are no solutions?

Answer 9

yes

Answer 10

it means there are no solution because it is a statement that is never true

Answer 11

\[4\neq-4\]whenever you get a contradiction in solving a system, that means no solutions exist

Answer 12

thank you!

Answer 13

yw