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Andrew [12]
4 years ago
5

Find the sum. (7−b)+(3b+2)

History
1 answer:
Mumz [18]4 years ago
6 0

2

b

+

9

Explanation:

(

7

−

b

)

+

(

3

b

+

2

)

We can solve this pretty quickly using the order of operations:

P: Parentheses

E: Exponents

M: Multiplication

D: Division

A: Addition

S: Subtraction

P: Parentheses. There is nothing to simplify inside the parentheses, so we can get rid of them

=

7

−

b

+

3

b

+

2

There are no exponents, multiplication, or division so we can skip those.

Addition/Subtraction will occur if we simply add or subtract like terms. First, it may be helpful to combine like terms so that they are next to each other:

=

7

+

2

+

3

b

−

b

=

9

+

2

b

or  

2

b

+

9

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