4+.5a=12

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Solution for 4+.5a=12 equation:


Simplifying
4 + 0.5a = 12

Solving
4 + 0.5a = 12

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 0.5a = 12 + -4

Combine like terms: 4 + -4 = 0
0 + 0.5a = 12 + -4
0.5a = 12 + -4

Combine like terms: 12 + -4 = 8
0.5a = 8

Divide each side by '0.5'.
a = 16

Simplifying
a = 16

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