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Mathematics
Rexy
9 November, 01:05
When x-y=3 work out the value of 2x-2y
+3
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1
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Alissa Clarke
9 November, 02:00
0
6
Step-by-step explanation:
Given
2x - 2y ← factor out 2 from each term
= 2 (x - y) ← substitute x - y = 3 into the expression
= 2 (3)
= 6
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