Question

plz fan and medal

Answer 1

add the two eqs and find x

Answer 2

did u add them @Naturalistic ?

Answer 3

i still don't get it

Answer 4

first, just add the 2 eq's..can u do that?

Answer 5

how can u do that

Answer 6

x-y=-11
+ y+7=-2x
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Answer 7

wait..before that group similar terms
x - y=-11
+ 2x+y=-7
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Answer 8

add these column- wise @Naturalistic ?