Question

A + 3a = 16

what does A=

Answer 1

a is really worth one.
So it’s a + 3a = 4a
4a=16 is the equation now, so now you have to get rid of the 4 by dividing 4 on both sides.


4a = 16
—— = ——
4 4

The 4 is gone so now you get a=4