To solve the equation \( a + b + c = 180 \) for \( c \), you need to isolate \( c \) on one side of the equation. Here's how you can do it:

\[
a + b + c = 180
\]

Subtract \( a + b \) from both sides of the equation:

\[
c = 180 - a - b
\]

So, the solution for \( c \) is:

\[
c = 180 - a - b
\]

Would you like to go through any specific examples or have further questions on this?

Here are some related questions:
1. What are the values of \( a \) and \( b \)?
2. How would you solve for \( b \) instead of \( c \)?
3. What does the equation \( c = 180 - a - b \) represent geometrically?
4. Can this equation be used to find exterior angles of a triangle?
5. How does the sum of angles change in a quadrilateral?

**Tip:** When solving equations, always check your solution by substituting the values back into the original equation to ensure they satisfy the equation.

Learn how to solve the triangle angle sum problem where the sum of angles a, b, and c equals 180 degrees. This problem involves basic principles of geometry and the Triangle Angle Sum Theorem. Suitable for students in Grades 7-9.

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