0.4a+a=28

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Solution for 0.4a+a=28 equation: 


Simplifying
0.4a + a = 28

Combine like terms: 0.4a + a = 1.4a
1.4a = 28

Solving
1.4a = 28

Solving for variable 'a'.

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

Divide each side by '1.4'.
a = 20

Simplifying
a = 20

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