0.5(a+3)=12

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Solution for 0.5(a+3)=12 equation:


Simplifying
0.5(a + 3) = 12

Reorder the terms:
0.5(3 + a) = 12
(3 * 0.5 + a * 0.5) = 12
(1.5 + 0.5a) = 12

Solving
1.5 + 0.5a = 12

Solving for variable 'a'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + 0.5a = 12 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + 0.5a = 12 + -1.5
0.5a = 12 + -1.5

Combine like terms: 12 + -1.5 = 10.5
0.5a = 10.5

Divide each side by '0.5'.
a = 21

Simplifying
a = 21

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