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nika2105 [10]
3 years ago
12

An equation is shown below 12 -9 + c=12 .What value of c makes the equation true?

Mathematics
2 answers:
raketka [301]3 years ago
7 0

Answer:9

Step-by-step explanation:

12-9=3 12-3=9 3+9=12

So C=9

sammy [17]3 years ago
5 0

Hey there!

\large\boxed{c=9}

12 - 9 + c = 12

Combine like terms.

3 + c = 12

Subtract 3 from each side of the equation.

3 - 3 + c = 12 - 3

c = 9

Check:

12 - 9 + c = 12

12 - 9 + 9 = 12

3 + 9 = 12

12 = 12

Hope this helps!

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