diketahui sistem persamaan linear 2x-3y=4 dan 3y=-5x+10 nilai 19(x-y) =
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diketahui sistem persamaan linear 2x-3y=4 dan 3y=-5x+10 nilai 19(x-y) =
1 Jawaban
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1. Jawaban nndaandni
2x-3y = 4
5x+3y =10
= 7x = 14
x = 2
5x+3y =10
5(2) +3y =10
3y = 10-10
3y = 0
y = 0
jadi 19(x-y) = 19(2-0) = 38