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Simplifying algebraic expression

Simplifying algebraic expression-example-1
User Siti
by
8.6k points

2 Answers

3 votes

Answer:


\sf \: - 33 \: (if \: c = 9)

Explanation:

Given expression,

→ 5c - 9c + 3

Now we have to use,

→ c = 9

Simplifying the given expression,

→ 5c - 9c + 3

→ 5(9) - 9(9) + 3

→ 45 - 81 + 3

→ -36 + 3

→ -33 => (answer)

Hence, required answer is -33.

User Sindhu S
by
8.3k points
3 votes

Answer:

-33

Explanation:

Plug 9 in for c, then simplify the resulting expression.

5c - 9c + 3

5(9) - 9(9) + 3

↓ execute multiplication

45 - 81 + 3

↓ simplify by adding 81 and 3

45 - 84

↓ execute subtraction

-33

User Ram Rachum
by
8.1k points

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