4 + (18 - 3 + 9) = 28
You asked:
Investigate the equation: \(4 + 18 - 3 + 9 = 28\).
MathBot Answer:
This equation has no unknown quantities, so it is either true or false.
This equation is true because the left-hand side is equal to the right-hand side.
The left-hand side of the equation is:
\[4 + 18 - 3 + 9 = 28\]The right-hand side of the equation is:
\[28\]