0.5(8-2a)+5=12

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Solution for 0.5(8-2a)+5=12 equation:


Simplifying
0.5(8 + -2a) + 5 = 12
(8 * 0.5 + -2a * 0.5) + 5 = 12
(4 + -1a) + 5 = 12

Reorder the terms:
4 + 5 + -1a = 12

Combine like terms: 4 + 5 = 9
9 + -1a = 12

Solving
9 + -1a = 12

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + -1a = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -1a = 12 + -9
-1a = 12 + -9

Combine like terms: 12 + -9 = 3
-1a = 3

Divide each side by '-1'.
a = -3

Simplifying
a = -3

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