Question

If P = 4a - 4b - 4c and Q = 7a + 7b - C. Then find P + Q​

Answer 1

Answer:

Ans..11a + 3b - 11c..

Step-by-step explanation:

P + Q

4a - 4b - 4c + ( +7a + 7b - 7c )

4a - 4b - 4c +7a + 7b - 7c

4a + 7a - 4b + 7b - 4c - 7c

11a + 3b - 11c..

Ans..11a + 3b - 11c..

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Answer 2

Answer:

Given value of P = 4a - 4b - 4c

Given value of Q = 7a + 7b - c

So, P + Q,

⇒ 4a - 4b - 4c + 7a + 7b - c

Now, we have to group the like terms together and add them.

⇒ (4a + 7a) + (7b - 4b) + (-4 - c)

⇒ 11a + 3b + (-5c)

⇒ 11a + 3b - 5c

∴ Hence, P + Q is 11a + 3b - 5c.

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