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- anonymous

Simplify the expression.
12p - 10a + 4 - 4p -6

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- anonymous

Simplify the expression.
12p - 10a + 4 - 4p -6

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- anonymous

NEED the answer!

- anonymous

12p-4p = 8p
4-6 = -2
So: 8p=10a-2
p= (5/4)a-(1/5)

- anonymous

But what is the answer to this problem?

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- anonymous

The general idea of simplifying, when you have no other information, is to eliminate all common factors (eg. 12p-4p = 8p), and juggle to isolate the expression for one variable.
The equation you posted originally, was:
12p - 10a + 4 - 4p -6
Which is really the same as:
12p - 10a + 4 - 4p -6=0
12p-4p-10a+4-6=0
8p-10a-2=0
8p=10a+2 (divide by 8 to isolate for p:)
p=(1/8)(10a+2)
=> p= (5/4)a + (1/4) (typo in my last reply)

- anonymous

I know but what is the answer.

- anonymous

The answer? You haven't provided enough information for me to help you any further, I'm afraid. Sure the equation is correct?
If that's all the information you've got, that is the answer.

- anonymous

This is what it says.....
Simplify the expression. 11p - 7q - 12 + 9q - 5r + 8

- anonymous

Oops wrong one/

- anonymous

Well, it says "simplify". That's what I've done. Isolating for one variable is as simple as it gets.
Alternatively you can write the expression as
8p-10a-2

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