
Latihan soal penjumlahan & pengurangan bentuk aljabar
Authored by Helen Sibarani
Mathematics
7th Grade
Used 7+ times

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10 questions
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1.
OPEN ENDED QUESTION
3 mins • 4 pts
Bentuk sederhana dari -7x + 2y - 8x + 4y + 5 adalah ...
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Answer explanation
-7x + 2y - 8x + 4y + 5
-7x - 8x + 2y + 4y + 5
(-7-8)x + (2 + 4)y + 5
-15x + 6y + 5
2.
OPEN ENDED QUESTION
3 mins • 4 pts
Hasil jumlah dari 2a + 4b - 8 dan a - 3b + 7 adalah ...
Evaluate responses using AI:
OFF
Answer explanation
(2a + 4b - 8) + (a - 3b + 7)
2a + a + 4b - 3b - 8 + 7
(2 + 1)a (4 - 3)b (-8 + 7)
3a + b - 1
3.
OPEN ENDED QUESTION
3 mins • 4 pts
Hasil jumlah dari 9a + 7b - 4 dan -4a - 9b + 13 adalah ...
Evaluate responses using AI:
OFF
Answer explanation
(9a + 7b - 4) + (-4a - 9b + 13)
9a - 4a + 7b - 9b - 4 + 13
(9 - 4)a (7 - 9)b (-4 + 13)
5a - 2b + 9
4.
OPEN ENDED QUESTION
3 mins • 3 pts
Hasil dari (3x + b) + (4b - x) adalah ...
Evaluate responses using AI:
OFF
Answer explanation
(3x + b) + (4b - x)
b + 4b + 3x - x
5b + 2x
5.
OPEN ENDED QUESTION
3 mins • 3 pts
Hasil dari (3p - 4q) - (6p + 6q) adalah ...
Evaluate responses using AI:
OFF
Answer explanation
(3p - 4q) - (6p + 6q)
3p - 6p - 4q - 6q
-3p -10q
6.
OPEN ENDED QUESTION
3 mins • 4 pts
Hasil pengurangan p² + 8p + 6 dari 5p² - 3p - 5 adalah ...
Evaluate responses using AI:
OFF
Answer explanation
(5p² - 3p - 5) - (p² + 8p + 6)
5p² - p² - 3p - 8p - 5 - 6
(5-1)p² (-3-8)p (-5-6)
4p² - 11p - 11
7.
OPEN ENDED QUESTION
3 mins • 4 pts
Bentuk sederhana dari 3x + 15y + 10 - 2x - 10y -19 adalah ...
Evaluate responses using AI:
OFF
Answer explanation
3x + 15y + 10 - 2x - 10y -19
3x - 2x + 15y - 10y + 10 - 19
(3-2)x (15-10)y (10-19)
x + 5y -9
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