0.2(30+a)=5

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Solution for 0.2(30+a)=5 equation: 


Simplifying
0.2(30 + a) = 5
(30 * 0.2 + a * 0.2) = 5
(6 + 0.2a) = 5

Solving
6 + 0.2a = 5

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 0.2a = 5 + -6

Combine like terms: 6 + -6 = 0
0 + 0.2a = 5 + -6
0.2a = 5 + -6

Combine like terms: 5 + -6 = -1
0.2a = -1

Divide each side by '0.2'.
a = -5

Simplifying
a = -5

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