(5x3) -(-2xy)= 21(the sign of x is for multiplication)
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Answered by
1
Answer: The value of y is 3
Answered by
0
Answer:
- 3
Step-by-step explanation:
(5 * 3) - (2 * y) = 21
15 - 2y = 21
⇒ - 2y = 21 - 15
⇒ -2y = 6
⇒ y = 6/ -2
∴ y = -3
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