.5(a-16)=-9

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Solution for .5(a-16)=-9 equation:


Simplifying
0.5(a + -16) = -9

Reorder the terms:
0.5(-16 + a) = -9
(-16 * 0.5 + a * 0.5) = -9
(-8 + 0.5a) = -9

Solving
-8 + 0.5a = -9

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 0.5a = -9 + 8

Combine like terms: -8 + 8 = 0
0 + 0.5a = -9 + 8
0.5a = -9 + 8

Combine like terms: -9 + 8 = -1
0.5a = -1

Divide each side by '0.5'.
a = -2

Simplifying
a = -2

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