0.2a-42=29+0.1a

Solution for 0.2a-42=29+0.1a equation:

Simplifying
0.2a + -42 = 29 + 0.1a

Reorder the terms:
-42 + 0.2a = 29 + 0.1a

Solving
-42 + 0.2a = 29 + 0.1a

Solving for variable 'a'.

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

Add '-0.1a' to each side of the equation.
-42 + 0.2a + -0.1a = 29 + 0.1a + -0.1a

Combine like terms: 0.2a + -0.1a = 0.1a
-42 + 0.1a = 29 + 0.1a + -0.1a

Combine like terms: 0.1a + -0.1a = 0.0
-42 + 0.1a = 29 + 0.0
-42 + 0.1a = 29

Add '42' to each side of the equation.
-42 + 42 + 0.1a = 29 + 42

Combine like terms: -42 + 42 = 0
0 + 0.1a = 29 + 42
0.1a = 29 + 42

Combine like terms: 29 + 42 = 71
0.1a = 71

Divide each side by '0.1'.
a = 710

Simplifying
a = 710