0.6a+0.2a=0.4a+8

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Solution for 0.6a+0.2a=0.4a+8 equation: 


Simplifying
0.6a + 0.2a = 0.4a + 8

Combine like terms: 0.6a + 0.2a = 0.8a
0.8a = 0.4a + 8

Reorder the terms:
0.8a = 8 + 0.4a

Solving
0.8a = 8 + 0.4a

Solving for variable 'a'.

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

Add '-0.4a' to each side of the equation.
0.8a + -0.4a = 8 + 0.4a + -0.4a

Combine like terms: 0.8a + -0.4a = 0.4a
0.4a = 8 + 0.4a + -0.4a

Combine like terms: 0.4a + -0.4a = 0.0
0.4a = 8 + 0.0
0.4a = 8

Divide each side by '0.4'.
a = 20

Simplifying
a = 20

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