3a-1=2a

Solution for 3a-1=2a equation:

Simplifying
3a + -1 = 2a

Reorder the terms:
-1 + 3a = 2a

Solving
-1 + 3a = 2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
-1 + 3a + -2a = 2a + -2a

Combine like terms: 3a + -2a = 1a
-1 + 1a = 2a + -2a

Combine like terms: 2a + -2a = 0
-1 + 1a = 0

Add '1' to each side of the equation.
-1 + 1 + 1a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 1a = 0 + 1
1a = 0 + 1

Combine like terms: 0 + 1 = 1
1a = 1

Divide each side by '1'.
a = 1

Simplifying
a = 1