l a+16=3a

Answer
Success!
a=8

↓Steps Explained:↓



Solve for a

a + 16 = 3a

Group variables

Group our variables a and 3a
subtract 3a from both sides

a + 16 - 3a = 3a - 3a

Cancel 3a on the right side:

-2a + 16 = 0

Group constants

Group our constants 16 and 0.
subtract 16 from both sides

-2a + 16 - 16 = 0 - 16

Cancel 16 on the left side:

-2a = -16

Divide each side of the equation by -2

-2a
-2
=
  
-16
-2

a = 8

Final Answer

a=8

Related Calculators:  Literal Equations  |  Simultaneous Equations  |  4 unknowns using Cramers Rule
h