Matematika

Pertanyaan

a=2
b=3
c=10
ax+by=c
rumus: -a/b
kerjakanlah dalam bentuk tabel
x: -2,-1,0,1,2
y: ?,?,?,?,?
tulis cara lengkap

1 Jawaban

  • 2x+3y= 10
    2.-2 + 3y = 10
    -4 + 3y = 10
    3y = 10 + 4
    y = 14:3 = 4,666
    2x + 3y = 10
    2.-1 + 3y = 10
    -2 + 3y = 10
    3y = 10 + 2
    y = 12:3 = 4
    2x + 3y = 10
    2.0 +3y = 10
    0 +3y = 10
    y = 10 :3 = 3,333
    2x + 3y = 10
    2.1 + 3y = 10
    2 + 3y = 10
    y = 10 -2 = 8
    y = 8:3 = 2,66
    2x + 3y = 10
    2.2 +3y = 10
    4 + 3y = 10
    3y = 10-4 = 6
    y = 6 :3 = 2


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