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secondary 2 | Maths
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secondary 2 chevron_right Maths chevron_right Singapore

Pls help me with this... pls reply asap thx

Date Posted: 4 years ago
Views: 194
sstrike
Sstrike
4 years ago
for equation (1)
x/2 + y/3 = 1
→ × 6 at both side
3x + 2y = 6 --- (3)
3x - y = 15 -- (2)

(3) - (2)

3y = 6-15 = -9
→ y = -3

3x-(-3) = 15
→ x = 4

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sstrike
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5326 answers (A Helpful Person)
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4 years ago
Thx
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4 years ago
Thx