-5.8c + 4.2 - 3.1 + 1.4c = -4.4c +1.1
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Answer:
AC = 30
Step-by-step explanation:
Start with:

Combine like terms.

Subtract
from both sides of the equation.

Subtract
from both sides of the equation.

Then, substitute
for
in 

Multiply.

Finally, add.

Answer:
13 is Prime
Step-by-step explanation: