Chrstina Foo Keat Thong's answer to Germaineloh2004's Primary 6 Maths question.
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For number 8.
9+6a-4+2a
1.Move the alphabetic numbers in front first, because it has a plus sign in front of them, they are both positive so it's 6a+2a
2.Then, add the numbers behind:6a+2a+9-4
3.Then add/subtract them:
=8a+5(answer)
9+6a-4+2a
1.Move the alphabetic numbers in front first, because it has a plus sign in front of them, they are both positive so it's 6a+2a
2.Then, add the numbers behind:6a+2a+9-4
3.Then add/subtract them:
=8a+5(answer)
Date Posted:
6 years ago
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