Simplify 9c−7d+c+3d+5.
This expression contains three types of terms: the terms that contain c's, terms that contain d's and terms that are numbers alone.
To simplify this expression, collect the like terms.
9c−7d+c+3d+5
9c+c=10c
−7d+3d=−4d
+5
This gives 10c−4d+5.