Question

x+y=4
x-y=4

find..............​

Answer 1

Hii its tom85

x + y = 4---(1

x - y = 4___(2

on adding ___(1 and _____'(2

2x=8

x=4

so

y+4=4

y=0

_________/\__________☺️

hope it may helps you dude

Answer 2

Thanks for questions

...

Solution...

$x + y = 4 \\ x - y = 4 \\ \\ by \: elimination \: method \: \\ \\ ................. \\ 2x = 8 \\ x = 8 \div 2 \\ x = 4 \\ \\ put \: x \: in \: x - y = 4 \\ \\ 4 - y = 4 \\ - y = 4 - 4 \\ - y = 0 \\ y = 0 \: \: ans$

Hope its helps u