13.5=-0.5a

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Solution for 13.5=-0.5a equation:


Simplifying
13.5 = -0.5a

Solving
13.5 = -0.5a

Solving for variable 'a'.

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

Add '0.5a' to each side of the equation.
13.5 + 0.5a = -0.5a + 0.5a

Combine like terms: -0.5a + 0.5a = 0.0
13.5 + 0.5a = 0.0

Add '-13.5' to each side of the equation.
13.5 + -13.5 + 0.5a = 0.0 + -13.5

Combine like terms: 13.5 + -13.5 = 0.0
0.0 + 0.5a = 0.0 + -13.5
0.5a = 0.0 + -13.5

Combine like terms: 0.0 + -13.5 = -13.5
0.5a = -13.5

Divide each side by '0.5'.
a = -27

Simplifying
a = -27

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