Jocelyn Yeo's answer to sarah's Secondary 1 Maths Singapore question.
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5a + 4b - 3c -(2a - 3/2b + 3/2c)
=5a + 4b - 3c - 2a + 3/2b - 3/2c
=3a + 11/2b - 9/2c
=5a + 4b - 3c - 2a + 3/2b - 3/2c
=3a + 11/2b - 9/2c
Date Posted:
3 years ago
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