Question

Nilai Y yang memenuhi SPLDV
x+2y=11
3x-y = 5

adalah...

Answer 1

X + 2y = 11
x = 11 - 2y

3x - y = 5
3 (11 - 2y) - y = 5
33 - 6y - y = 5
-7y             = -28
y                  = 4

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