Question

-2c + 4
=
-2c + 4
=
-2c + 4
+ 2c
=
□

Explanation:

Step1: Combine like terms

We have the expression \(-2c + 4 + 2c\). The like terms are \(-2c\) and \(+2c\). When we add them together, \(-2c + 2c = 0\) (because the coefficients \(-2\) and \(2\) add up to \(0\)). Then we are left with the constant term \(4\).
So, \(-2c + 4 + 2c = (-2c + 2c) + 4 = 0 + 4 = 4\).

Answer:

\(4\)