Persegi = x
bintang = y
lingkaran = z
2x + z = 3x + 3y
z = 3x - 2x + 3y
z = x + 3y
.
3x = y + z
y = z - 3x
y = x + 3y - 3x
y = 3y - 2x
y - 3y = -2x
-4y = -2x
2y = x
z = 2y + 3y
z = 5y
Maka, jawaban yang tepat adalah 5 lingkaran.
Maaf klu rumit langkahnya:v
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Persegi = x
bintang = y
lingkaran = z
2x + z = 3x + 3y
z = 3x - 2x + 3y
z = x + 3y
.
3x = y + z
y = z - 3x
y = x + 3y - 3x
y = 3y - 2x
y - 3y = -2x
-4y = -2x
2y = x
.
z = x + 3y
z = 2y + 3y
z = 5y
.
Maka, jawaban yang tepat adalah 5 lingkaran.
.
Maaf klu rumit langkahnya:v