4X+7Y=29 dan X+3Y=11
Matematika
anumanganu
Pertanyaan
4X+7Y=29 dan X+3Y=11
2 Jawaban
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1. Jawaban GilangScissor
4X +7Y = 29 |x1|
X + 3Y = 11. |x4|
4X + 7Y = 29
4X + 12Y = 44
___________-
-5Y = -15
Y = 3
X + 3Y = 11
X + 3.3 = 11
X + 9 = 11
X = 2
Jadi X = 2 dan Y = 3 -
2. Jawaban queenmahira
x + y = 11 |x4|
4x -7y = 29 |x1|
4x + 12y = 44
4x + 7y = 29
___________ _
0 + 5 y = 15
5y = 15
y = 15/5
y = 3
x + 3y = 11
x + 3 (3) = 11
x + 9 = 11
x = 11 - 9
x = 2
jadi x= 2 dan y =3