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What is the sum of (c−4)+(3c+9)
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1 vote
What is the sum of (c−4)+(3c+9)

User Spicypumpkin
by
3.7k points

2 Answers

5 votes

Answer:

4c + 5

Explanation:

(c - 4) + (3c + 9)

= c - 4 + 3c + 9

= 4c - 4 + 9 (combine like terms)

= 4c + 5 (subtract)

User PzYon
by
4.2k points
2 votes

Answer:

4C+5

Explanation:

How to find the sum of variables?

same variables are added or subtracted

variables with same powers are added or subtracted.

Addition

(c−4)+(3c+9)

⇒C-4+3C+9

⇒(C+3C)+(-4+9)

⇒4C+5

User Travis James
by
4.1k points
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